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  1. Daniel Duffy

    Advanced Calculus

    From AMS Classification, 'calculus' on its own is ambiguous, so many 'calculusses' to choose from. https://mathscinet.ams.org/msc/msc2010.html?t=&s=calculus&btn=Search&ls=s
  2. Daniel Duffy

    Advanced Calculus

    Maybe 'calculus' is a common name in USA. In Europe calculus is what we learn(ed() at school. More accurate names imo are math methods (calculus on steroids, working things out like Stokes stuff) and real/complex analysis (epsilon/delta, hard core stuf). There again, I haven't looked in 47...
  3. Daniel Duffy

    Which option models are used in the industry?

    Nice. Thanks. It sounds that these are flexible software layers?
  4. Daniel Duffy

    Which option models are used in the industry?

    Will you tell Dan_BR-UK what *is* useful? I think you are not telling the full story.
  5. Daniel Duffy

    Purpose of QuantNet C++ Course?

    The key of the C++ course is to learn C++ for finance. The goals are C++ Programming for Financial Engineering | QuantNet Community...
  6. Daniel Duffy

    Which option models are used in the industry?

    I think the N:M:R:T question is too big to answer. "Paul Wilmott on Quantitative Finance" Vols 1 to 3 is a good place to start. Maybe start with 1 factor BS and take it from there.
  7. Daniel Duffy

    C++ Online Certificate Students' intro thread

    Think of it as a 10,000 m race, not a sprint. Begin with the end in mind and work backwards to now.
  8. Daniel Duffy

    Is studying VBA worth it?

    Great! It would be nice. I don't get out so much these days.
  9. Daniel Duffy

    Is studying VBA worth it?

    I don't of any. Since you know C++, a VBA course is too simple for you, so plan B book on VBA syntax Jackson and Staunton on VBA for finance (Wiley) A site with VBA code for quants http://www.axelvogt.de/axalom/ and Haug's book...
  10. Daniel Duffy

    Would love some guidance.

    Since you ask. here is what I offer (rigorous, practical and hands-on) https://www.datasim.nl/onlinecourses BTW I am also the originator of the Quantnet C++ course.
  11. Daniel Duffy

    Would love some guidance.

    General topology, stochastic analysis, mathematical finance primarily stuff about Levy processes, lots of PDE including advanced stuff like sobolev spaces and somewhat beyond, lots of measure theory, lots of functional analysis including advanced stuff like C*-algebras. All this in Two years...
  12. Daniel Duffy

    Becoming a quant

    Congratulations. C++ is such a great skill to have.
  13. Daniel Duffy

    How many videos?

    Should be fine. Many students have never even programmed before. The course contents/style has been influenced by the mathematical/engineering-style background of the course's originator.
  14. Daniel Duffy

    Guidance for programming related to Financial Engineering

    Linear algebra, ODE/PDE, algorithms, data structures ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,+ real analysis.
  15. Daniel Duffy

    Guidance for programming related to Financial Engineering

    C++ is the best foundation for many reasons. e.g. knowing C++ means learning Python, C#, Java is a piece of cake. Knowledge of Python doesn't really help if you wish to learn C++. The best way to learn C++ is to learn C++.
  16. Daniel Duffy

    Need Advise Non-Traditional Candidate per say

    You're welcome :) It was good advice and I advise many people. It was not meany to cause offence (or offense in the States), per se. In my day we had no Grammarly and our teachers were very strict
  17. Daniel Duffy

    Need Advise Non-Traditional Candidate per say

    Small remark it's 'per se' https://en.wiktionary.org/wiki/per_se and use 'advice' (it is a noun, you used a verb).
  18. Daniel Duffy

    New Graduate (Tough spot)

    I prefer Jigoro Kano's advice.
  19. Daniel Duffy

    Do I have a chance at UCB?

    ODE/PDE/FDM are popular.
  20. Daniel Duffy

    Python Questions

    Using modules and packages for program deccomposition. The "Pythonic way" should not be a straightjacket/Procrustean bed. I think a Pytonic++ way deserves attention. These style guidelines transcend a given programming language. A single style is not useful for all application domains...
  21. Daniel Duffy

    which is more useful in the real world? Python or C++...

    From "Python in a Nutshell" "Sometimes, however, you need a deep copy .... fortunately, this need is rare, since a deep copy can take a lot of memory and time." I don't agree 1. Many applications need deep-fried-copied object 2. Deep copy can be more thread-safe than shallow copy. (replicated...
  22. Daniel Duffy

    Compile Errors != Linker Errors, BTW why do I get Linker errors?

    Here is a quote with which I disagree completely. It is very, very bad: "I hate anything that asks me to design on the spot. That's asking to demonstrate a skill rarely required on the job in a high-stress environment, where it is difficult for a candidate to accurately prove their abilities. I...
  23. Daniel Duffy

    What chances nowadays to get into Quant Developer roles with a PhD in Computational Mech. Eng.

    C++ From Meyers' Wiki entry Most of the QN/Baruch C++ alumni can design on the spot. Practice, practice, practice. The devil is in the detail.
  24. Daniel Duffy

    What chances nowadays to get into Quant Developer roles with a PhD in Computational Mech. Eng.

    It's the analogy is the point. What I am saying if you software like CAD/CAM then many software ills will be avoided. The penny hasn't dropped.
  25. Daniel Duffy

    What chances nowadays to get into Quant Developer roles with a PhD in Computational Mech. Eng.

    Here's a thought: Compare how (the process) mechanical engineers design and manufacture physical products with how software products are made. create. Big difference. For one, lack of design blueprints. If you build a house, do you first buy a bag of bricks?
  26. Daniel Duffy

    What chances nowadays to get into Quant Developer roles with a PhD in Computational Mech. Eng.

    Factories and other patterns are directly supported in Boost. I've stopped using Singleton pattern 20 years ago. Factory Method pattern is OK but limited to toy examples. I can see an implicit, conceptual link between the two. The Gang of Four 1994 book tells the precise mapping, as does...
  27. Daniel Duffy

    What chances nowadays to get into Quant Developer roles with a PhD in Computational Mech. Eng.

    I also have the 'Effective Modern C++' book on C++11/14 by the same author, which I guess will present the best 'design patterns', and in what specific situations it is useful to take advantage of these improvements in the language. What's your definition of a design pattern? Meyer's approach...
  28. Daniel Duffy

    C++ Online Programming Course Testimonials

    Thank you zhb[5] It's made my day!
  29. Daniel Duffy

    Quant vs Data Science

    machine learning engineer Fancy name. Are ML plumbers needed (serious question)?
  30. Daniel Duffy

    Differential Machine Learning : novel ML algorithms with unreasonable effectiveness for pricing and risk approximations in finance

    From a pedagogical viewpoint, a scoped and self-contained test case 101, A-Z would add value for the community IMO.
  31. Daniel Duffy

    Python Questions

    How is it possible to write well-designed and maintainable Python code? What's your favourite method?
  32. Daniel Duffy

    Differential Machine Learning : novel ML algorithms with unreasonable effectiveness for pricing and risk approximations in finance

    The authors assume background in measure theoretic probability This excludes > 90% of readers! To have a have a background in measure theoretic probability the necessary foundation are real analysis measure theory / Lebesgue integration Some Functional Analysis, really The beginner should...
  33. Daniel Duffy

    Differential Machine Learning : novel ML algorithms with unreasonable effectiveness for pricing and risk approximations in finance

    Linear algebra is needed in so far that it is (only) a supporting mechanism for approximation and optimisation algorithms. Most problems here are nonlinear and are solved as iterations of linear problems (enter linear algebra!). What is missing IMHO in general is more precision on . function...
  34. Daniel Duffy

    Differential Machine Learning : novel ML algorithms with unreasonable effectiveness for pricing and risk approximations in finance

    Since this is a finance site, the real interesting thing for people here IMHO is how to do it for finance, really. To mamy examples now on character and baboon derriere recognition :) I'm biased but this is how I feel ML work should be written up...
  35. Daniel Duffy

    Differential Machine Learning : novel ML algorithms with unreasonable effectiveness for pricing and risk approximations in finance

    I find Geron's book just OK. And boring. It reads like a cook book pressing the right buttons for TensoFlow and Sklearn. On a follow on, most of the O'Reilly books IMO are 90% tables, screen shots and plots and 10% maths/insights. Each to his own; what do I know. The constructive message is...
  36. Daniel Duffy

    Differential Machine Learning : novel ML algorithms with unreasonable effectiveness for pricing and risk approximations in finance

    Antoine. I reckon a lot of people here are interested in ML. The question is how they might get started.
  37. Daniel Duffy

    C++ Online Certificate Students' intro thread

    C# is in some ways similar to C++. But C++ demands you manage memory yourself.
  38. Daniel Duffy

    Blog: Articles on C++11 and Computational Finance (by Daniel J. Duffy)

    Here's a bunch of useful C++ examples from Boost. Caveat: I haven't done much after the posts but you may find it useful nonetheless. http://www.datasimfinancial.com/forum/viewtopic.php?f=22&t=111
  39. Daniel Duffy

    Math needed

    What I see a lot is linear algebra as pure maths which is essential, indeed. The other side of the coin is Numerical Linear Algebra which is more common in daily work. (Same holds with ODEs .. it not enough to know just the analytics; Python odeint and Boost odeint are needed,) Many (almost all...
  40. Daniel Duffy

    Math needed

    Here is online courses originated and mentored by me . It will probably give some idea of useful topics. https://www.datasim.nl/onlinecourses
  41. Daniel Duffy

    We Need Your Help

    It's a bit vanilla. It does not really say anything about what it is.
  42. Daniel Duffy

    We Need Your Help

    Everybody is a student lifelong, so it's not all bad. 1. Certified C++ developer (you learn a skill and how to write decent code) 2. First kyu (brown belt/judo/karate/ju-jutsu). (next black belt). (The judo belt analogy is very accurate; you can 'map' each course level to a given colour).
  43. Daniel Duffy

    C++ Online Certificate Students' intro thread

    I am an anesthetist. Wow! Have fun with C++.
  44. Daniel Duffy

    Blog: Articles on C++11 and Computational Finance (by Daniel J. Duffy)

    Alright then, I downloaded the revamped Imperial Covid C code, built the project and got it running in console mode (it uses GDI which I haven't used since 1992 ... it is deprecated big time and is impossible to find GDI drivers), I will write up a precise and detailed report in the coming days...
  45. Daniel Duffy

    Compile Errors != Linker Errors, BTW why do I get Linker errors?

    Alright then, I downloaded the revamped Imperial Covid C code, built the project and got it running in console mode (it uses GDI which I haven't used since 1992 ... it is deprecated big time and is impossible to find GDI drivers), I will write up a precise and detailed report in the coming days...
  46. Daniel Duffy

    Purpose of QuantNet C++ Course?

    C++ is a skill which will be of enormous benefit for years to come.
  47. Daniel Duffy

    Compile Errors != Linker Errors, BTW why do I get Linker errors?

    https://www.businessinsider.nl/trumps-coronavirus-team-relies-on-stupid-model-by-controversial-economist-2020-5?international=true&r=US "Lies, damned lies and cubic spline interpolation". I agree with pingu. Baddest model ever. They never bootstrapped the 30-year forward rates curve.
  48. Daniel Duffy

    Compile Errors != Linker Errors, BTW why do I get Linker errors?

    You should read a bit more, especially what software developers say. Don't be fooled by cute reports. The wording 'derivative' is a misnomer (a better word is 'clone'); it is an attempt to remove the bugs. It could be called a second version in C++ (12 years too late). The software is the...
  49. Daniel Duffy

    Compile Errors != Linker Errors, BTW why do I get Linker errors?

    One exhibit from the report “Stochastic” is just a scientific-sounding word for “random”. That’s not a problem if the randomness is intentional pseudo-randomness, i.e. the randomness is derived from a starting “seed” which is iterated to produce the random numbers. Such randomness is often used...
  50. Daniel Duffy

    Compile Errors != Linker Errors, BTW why do I get Linker errors?

    How one Covid-19 Software model (Neil Ferguson/Imperial College) was developed. A damning report https://lockdownsceptics.org/code-review-of-fergusons-model/
  51. Daniel Duffy

    Doing the course while working/Studying

    You're welcome. Andy and Avi can give these details, but I believe it's 16 weeks and you can start anytime. @Andy Nguyen
  52. Daniel Duffy

    Doing the course while working/Studying

    Yes, go for it! C++ is a great skill to have.
  53. Daniel Duffy

    New Quantnet members say hi

    Matt, I have known the friendly people of QN and Baruch for almost 15 years now and I am the originator of the 2 C++ online courses here. So, I like to have a look to see how everyone is doin', say hello and hopefully be useful :)
  54. Daniel Duffy

    New Quantnet members say hi

    Welcome to Quantnet, Matt! I have taken the liberty to place a link to your MSc thesis here :) https://www.datasim.nl/application/files/5915/7045/5027/Matt_Robinson_Thesis_.pdf
  55. Daniel Duffy

    Getting a Quant job as a Programmer / Mathematician

    I have extensive knowledge in both mathematics and computing, Can you elaborate? These are very broad terms.
  56. Daniel Duffy

    How to invest another year ?

    Learning more hard (applied) maths does no harm I would say. And lots of hands-on doing maths. Advanced C++, is that the Baruch course you are referring to?
  57. Daniel Duffy

    COMPARE Imperial College MathFin vs EPFL MFE

    WOW! So, an EU bank charges 9% and they can borrow at almost zero% interest from ECB? Something out of kilter, out of whack.
  58. Daniel Duffy

    Corona Virus discussion

    Go for it :) and you can make the nice graphs using my ExcelDriver :devil:
  59. Daniel Duffy

    Corona Virus discussion

    With your knowledge of C++ you could solve them using odeint https://www.boost.org/doc/libs/1_72_0/libs/numeric/odeint/doc/html/index.html (BTW most models are toys)
  60. Daniel Duffy

    Studying Analysis and taking Mathematics Notes

    More concrete examples worked out, less text needed in maths. The best way to do maths is to do lots and lots of concrete cases.
  61. Daniel Duffy

    Aerospace Engineer -> Quant (MSFE, MS, something else?)

    I can't say which education is best but my guess is you wouldn't have any problems given your background.
  62. Daniel Duffy

    Aerospace Engineer -> Quant (MSFE, MS, something else?)

    Aerospace Engineering is a good background to have from what I have experienced. Certainly the maths part. Matlab is fine but maybe look out for Python and C++.
  63. Daniel Duffy

    MSc Thesis: Random forest long-term return prediction

    I don't know, but I reckon so. You can do version 1 on mac using Python. speed is for later.
  64. Daniel Duffy

    MSc Thesis: Random forest long-term return prediction

    You can use simulated/synthetic data (i.e. analytic solution) as training data for the ANN (3-layers?) FDM == finite difference method FEM = finite element (more advanced)
  65. Daniel Duffy

    MSc Thesis: Random forest long-term return prediction

    Here'a a possible, doable project: take the problem as in McGhee's article, make it more clear (better 'flow') and use the approach taken by Dalvir Mantara in the thesis I posted. For training data, use Heston exact and then maybe move to FDM/FEM. BTW Dalvir's thesis is extremely well-written...
  66. Daniel Duffy

    MSc Thesis: Random forest long-term return prediction

    Sorry, don't know Fama-French model. 2.5 months is not much time.
  67. Daniel Duffy

    MSc Thesis: Random forest long-term return prediction

    Yes, especially at MSc level and limited time resources you want to take an incremental approach. Like life, we must walk before we can run. So, some time to learn ML before applying it to finance. aka how to scope your thesis and a project estimation. I always ask student to write up a 1/2 A4...
  68. Daniel Duffy

    Master Programs Europe

    12. University of Birmingham UK, course director is Dr. Colin Rowat (to explain: I have been an external MSc supervisor there since 2014).
  69. Daniel Duffy

    Getting a quant role with bsc in economics and msc in finance and accounting

    Your background may be too diffuse, as you say yourself. For economics stuff, more hard mathematics/analytic thinking in maths is probably _very_ necessary. As regards programming, R is easy to learn but C++ is a real skill. Python is a useful side-kick.
  70. Daniel Duffy

    MSc Thesis: Random forest long-term return prediction

    There's certainly no shortage of fancy buzz words in ML. The proposal is high-risk and there's no guarantee that useful results will be obtained. I could be wrong but a Plan B does no harm. For MSc I recommend benchmarking existing methods and integrating/improving them with ML. Avoid the...
  71. Daniel Duffy

    Self-learning and implementing numerical methods - VS 2019

    Step 1 is to understand the underlying maths.
  72. Daniel Duffy

    Matlab for Fin

    I've been to Iceland a few times; everyone there speaks English. Can't get a word in edgeways.
  73. Daniel Duffy

    Matlab for Fin

    Sanskrit is very useful for students of Indo-European languages. https://upload.wikimedia.org/wikipedia/commons/0/05/Indo-European_isoglosses.png I always wanted to learn Icelandic.
  74. Daniel Duffy

    Matlab for Fin

    Matlab is useful, but Python looks better. Maybe time for adviser/advisor to learn Python.
  75. Daniel Duffy

    SHOW ME THE CODE !

    If you run my code you get the correct answer :-) Maybe you are mixing your types?
  76. Daniel Duffy

    SHOW ME THE CODE !

    My C++ Boost code gives 262537412640768743.999999999999250072597198185688879353856337336990862707537410378210647910118607313 which is correct. This number was discovered in 1859 by the mathematician Charles Hermite.[7] In a 1975 April Fool article in Scientific American magazine,[8]...
  77. Daniel Duffy

    SHOW ME THE CODE !

    http://oeis.org/wiki/Ramanujan%27s_constant
  78. Daniel Duffy

    SHOW ME THE CODE !

    My conjecture is the value is 262537412640768743 + 1.
  79. Daniel Duffy

    SHOW ME THE CODE !

    Here's the multiprecision code #include <boost/multiprecision/cpp_dec_float.hpp> #include <boost/multiprecision/cpp_int.hpp> #include <boost/math/constants/constants.hpp> #include <typeinfo> using boost::multiprecision::cpp_dec_float_50; using boost::multiprecision::cpp_dec_float_100...
  80. Daniel Duffy

    SHOW ME THE CODE !

    Using Boost multiprecisin (BTW I used Archmedes' algorithm using harmonic and geometric means to compute to yuge accuracy). It looks like an integer indeed. I suspect normal double version can't handle it. https://en.wikipedia.org/wiki/Approximations_of_%CF%80 The code is in my C++ 2018 book...
  81. Daniel Duffy

    SHOW ME THE CODE !

    Or is it a real number whose fractional part is zero? BTW how can you compute that number? Serendipity. :-)
  82. Daniel Duffy

    Datasim course recognition for Baruch MFE

    What is maybe useful to know is that I personally mentor/supervisor the students with queries etc. As an added value (if the student has time, I realize they have a busy life) there is an option to do a (mini) project related to finance, at no extra cost. In the last 8 years I have supervised...
  83. Daniel Duffy

    Blog: Articles on C++11 and Computational Finance (by Daniel J. Duffy)

    Thank you. A lot of tine (BTW I have lost count) and effort by myself and better half (tex, etc.) BTW did you request the code? info@datasim.nl
  84. Daniel Duffy

    Datasim course recognition for Baruch MFE

    I do maths courses all year round, including PDE. You can start any time you like. And my PDEs are geared up to computational finance.
  85. Daniel Duffy

    Corona Virus discussion

    Over a period of 40 years I stuck to Fortran, C/C++ and C#. Lately Python but it's easy. So, 1 language per 10 years :) I dabbled in other languages but many were culled before they wasted my time. e.g. I ditched Java in 1997. I am not a CS language fan as such, as languages for me must fit into...
  86. Daniel Duffy

    Corona Virus discussion

    The link on Technical Debt is really very good. I suppose it's like "you reap what you sow".
  87. Daniel Duffy

    Corona Virus discussion

    Technical debt (also known as design debt[1] or code debt, but can be also related to other technical endeavors) is a concept in software development that reflects the implied cost of additional rework caused by choosing an easy (limited) solution now instead of using a better approach that...
  88. Daniel Duffy

    Corona Virus discussion

    For sure. I have seen dozens drop in their steps.. Care to draw up a shortlist (C++ excluded)? I started on Fortran IV/66 for semiconductors and Boltzmann radiation problems in a large multinational Dutch company, then in CAD. The Achilles heel was no contact with the underlying hardware. Enter...
  89. Daniel Duffy

    Corona Virus discussion

    All countries have this problems. Rule #1; DON"T outsource your COBOL code!!! NEVER
  90. Daniel Duffy

    Corona Virus discussion

    A friend of mine in Ireland works remotely on Cobol and JCL code in insurance. Python and Java are the front-ends. Cough, I was a certified COBOL programmer in 1981. Anyone remenber Y2K? (BTW my code used YYYY-MM-DD, not YY-MM-DD!) At the time they took the pensioners out of the homes and put...
  91. Daniel Duffy

    C++ Online Certificate Students' intro thread

    C++ is a great foundation for other languages indeed. Good luck!
  92. Daniel Duffy

    Corona Virus discussion

    At moments like this we are reminded of the fact that COBOL is most important language in the world. https://www.theregister.co.uk/2020/04/05/new_jersey_seeks_cobol_volunteers/ COBOL-coding volunteers sought as creaking mainframes slow New Jersey's coronavirus response
  93. Daniel Duffy

    Quantitative Risk Management Courses

    Thinking out loud; a very good way to learn, use and apply mathematical skills is described in this excellent paperback https://en.wikipedia.org/wiki/How_to_Solve_It Is has 'handles' for solving maths problems and is a way of thinking about maths. Could be useful reading for those with an...
  94. Daniel Duffy

    Quantitative Risk Management Courses

    You're welcome, Ken. At this stage some brash marketing :) to show off my online ODE/PDE course https://www.datasim.nl/onlinecourses/97/distance-learning-ordinary-and-partial-differential-equations It's my 2 cents to bridge the gap. Students take it as preparation for MFE/MSc...
  95. Daniel Duffy

    Quantitative Risk Management Courses

    I think it's easier to teach stats to PDE people than it is to teach PDEs to stat people. Each discipline has its own ways of working and skill sets, A more friendly way to teach PDEs is to start with ODEs and focus on building analysis skills around them. For ODE we have A) dV/dt initial...
  96. Daniel Duffy

    What subjects current students in MFE wish they knew before they joined program

    ODE/PDE, linear algebra and numerical methods. And C++.
  97. Daniel Duffy

    Corona Virus discussion

    Do they do the maths? Imperial College and Oxfod both claim to have models but can't/won't publish them. Still, I think Wallace might be right.
  98. Daniel Duffy

    Corona Virus discussion

    What other sources have you tried..? QN is a financial forum.
  99. Daniel Duffy

    Corona Virus discussion

    Related to this; some of us are working on several mathematical/finance related models https://forum.wilmott.com/viewtopic.php?f=34&t=102255&p=856216#p856216
  100. Daniel Duffy

    Coefficients for finite difference approximation in Python (meth. of undetermined coefficients)

    Apologies for my brusque answer. It is important to keep the definitions clean. I know Python has buckets of stuff and is free. (check out numpy, scipy). Here's a nice ODE intro + Python. https://hep1.phys.ntu.edu.tw/~kfjack/lecture/python/2016/11/lecture-11.pdf As we speak I have just...
  101. Daniel Duffy

    Coefficients for finite difference approximation in Python (meth. of undetermined coefficients)

    It's 'divided differences'. Finite difference is different and talking about coefficients is nonsense in that case. Have you checked numpy, scipy https://docs.scipy.org/doc/numpy/reference/generated/numpy.diff.html These techniques are highly unstable and ill-posed in general. Better not to...
  102. Daniel Duffy

    Is there enough time for me to take this course?

    Yes! I use solely C++ for my maths work. Go for it. Last but not least, it's got to be said that TA is top notch (see testimonials). Actually, learning to read, understand and resolve compiler/linker errors is essential. C++ is not R or Python in this regard...
  103. Daniel Duffy

    Is there enough time for me to take this course?

    Good luck! Learning syntax is like learning how to breakfall in judo. Maybe take a different approach to confronting syntax (there's a right way and a wrong way). I gave a course to 22 MFE students few weeks and they all had syntax problems.
  104. Daniel Duffy

    Is there enough time for me to take this course?

    Semi-colons are a way to tell the compiler when to stop and take a break. Comes with the territory. Have you read the last chapter of James Joyce's Ulysses? not a single comma or semi-colonial in sight. C++ is actually "Applied Chomsky" https://www.youtube.com/watch?v=IhC7sdYe-Jg
  105. Daniel Duffy

    Is there enough time for me to take this course?

    Go for it! It is 16 weeks and students have lots of time. QN C++ is a skill. I am the originator of this course and a numerical analyst. And C++ is super for maths!
  106. Daniel Duffy

    Grad Education for Hedge Funds

    I've gotten a lot of recommendations to pursue a PhD in some kind of physics. Astrophysics comes up a lot. I'm wondering if a PhD in pure math would make more sense for a quantitative role. Maybe, maybe not. Astrophysics and physics (not enough maths) sounds Cold War at this stage. "pure" maths...
  107. Daniel Duffy

    Corona Virus discussion

    Many people are not taking it seriously.
  108. Daniel Duffy

    UCB MFE Pre-courses of UCB MFE

    My ODE/PDE endorsed by UCB online course is taken by students going to UCB. https://www.datasim.nl/onlinecourses/97/distance-learning-ordinary-and-partial-differential-equations There is student discount price. (dduffy@datasim.nl).
  109. Daniel Duffy

    Corona Virus discussion

    Basically UK is giving everyone a guaranteed minimum wage.
  110. Daniel Duffy

    Corona Virus discussion

    The model from Imperial College is a set of 7 coupled mildly nonlinear ordinary differential equations (ODEs) and it seems to be an extension of tbe 1927 SIR model of Kermack and McKendrick. https://arxiv.org/abs/2003.06967 The full model does not seem to public domain, so it is not possible...
  111. Daniel Duffy

    Compile Errors != Linker Errors, BTW why do I get Linker errors?

    Porting MVC++ 6.0 to C++11 is an impossibility. The whole application should be written from scratch.
  112. Daniel Duffy

    Compile Errors != Linker Errors, BTW why do I get Linker errors?

    yes, it's ancient, but updating it is a time-consuming project. On an off-topic: much of the Fortran cod embedded in Python libraries was written in the 1970s. Production systems create wrappers around legacy code. One client in offshore in Rotterdam still uses Microsoft VC++ 6.0 for their...
  113. Daniel Duffy

    Corona Virus discussion

    Netherlands; Lockdown until April 6. Ditto Republic of Ireland. Northern Ireland is following UK orders. Politics above health.
  114. Daniel Duffy

    Corona Virus discussion

    Before that 1) people thought tulip prices would keep going up, 2) dot com shares. Same old story. For the record, it was clear to me by 2006 that property crash was on its way out, big time. People getting rich by selling property to each other. aka 'irrational exuberance'.
  115. Daniel Duffy

    C++ Online Programming Course Testimonials

    Thank you. Feels like 4 courses rolled into one :cool:
  116. Daniel Duffy

    Compile Errors != Linker Errors, BTW why do I get Linker errors?

    The C function scanf is deprecated/not safe https://stackoverflow.com/questions/30577519/error-c4996-scanf-this-function-or-variable-may-be-unsafe-in-c-programming
  117. Daniel Duffy

    Questions on option pricing

    Why the obsession with analytical closed-form solutions? No errors or approximation assumptions I suppose. But it can be an unhealthy obsession indeed (what if NO closed solution can be found???) Better to be approximately right than exactly wrong. Pure mathematicians tend to search for...
  118. Daniel Duffy

    Questions on option pricing

    3. Most problems don't have an analytical solution, so numerical methods needed. Here is a detailed treatment of 6 methods to compute greeks for use in finance and Machine Learning. https://www.datasim.nl/application/files/5915/7045/5027/Matt_Robinson_Thesis_.pdf ML ->...
  119. Daniel Duffy

    Corona Virus discussion

    6% of what? fear of the unknown. In Netherlands 3000 people died from common flu in 2018. Some years it is 10,000. People are overreacting.
  120. Daniel Duffy

    Face masks?

    Some do, some don't.
  121. Daniel Duffy

    C++ Online Certificate Students' intro thread

    What could be more colourful than C++?
  122. Daniel Duffy

    Moving From Finance to Quant

    Are there measurable/standardised criteria to determine the added value of a given online course? edit: and maybe subjective criteria.
  123. Daniel Duffy

    Python interview

    Do you want to learn Python properly?
  124. Daniel Duffy

    Face masks?

    Seems it is better to wash your hands than wearing a face mask...?
  125. Daniel Duffy

    C++ Online Programming Course Testimonials

    Some of these links are broken. BTW is Scott Meyers still involved with C++?
  126. Daniel Duffy

    Free C++ Matlab VBA Python code for derivatives pricing

    Make sure that your Boost library version (VS2019, 64 bit library) etc. is compatible. You can just post questions with "precise error messages". BTW does QL support VS2019? etc.
  127. Daniel Duffy

    Free C++ Matlab VBA Python code for derivatives pricing

    Then you are doing something wrong. Piece of cake https://www.quantlib.org/install/vc10.shtml It's for VC2010 but that is not an issue.
  128. Daniel Duffy

    Free C++ Matlab VBA Python code for derivatives pricing

    Such as? . Actually, I mentioned it :-)
  129. Daniel Duffy

    Free C++ Matlab VBA Python code for derivatives pricing

    Nobody has mentioned Quantlib C++, which is open source.
  130. Daniel Duffy

    Blog: Articles on C++11 and Computational Finance (by Daniel J. Duffy)

    They don't write well-researched books like this any more. R.G. Dromey How to Solve it by Computer Prentice-Hall 1982 It discusses how to write well-structured modular programs and deep discussions of algorithms and data structures and code in Pascal. For example, this is a good front-end to...
  131. Daniel Duffy

    What books are you currently reading?

    They don't write well-researched books like this any more. R.G. Dromey How to Solve it by Computer Prentice-Hall 1982 It discusses how to write well-structured modular programs and deep discussions of algorithms and data structures and code in Pascal. Most books (e.g. in Python) seem to...
  132. Daniel Duffy

    Free C++ Matlab VBA Python code for derivatives pricing

    The 2nd edition of my book has C++ code for purchasers. https://www.datasim.nl/blogs/13/summary https://www.datasim.nl/blogs/17/sample-chapter I have binomial, Monte Carlo, PDE/FDM and exact solutions.
  133. Daniel Duffy

    A PhD in.... what?

    This post looks like a multiple choice questionnaire.
  134. Daniel Duffy

    Take a master in CS before attending MFE?

    Hi, I work for Datasim and am the originator of the Quatnet/Baruch courses. dduffy@datsim.nl Pleased to answer your further queries.
  135. Daniel Duffy

    Is Stochastic Processes still a relevant course to take for a prospective quant?

    Companies like to make their own models and use open source libraries as "second opinion".
  136. Daniel Duffy

    Is Stochastic Processes still a relevant course to take for a prospective quant?

    Sure, its like when the Quantnet C++ course made us write our own implementation of resizable arrays in the exercises. It was challenging and gave a glimpse of how its implemented in real world without getting into the weeds with amortization analysis etc. But we all use the std::vector object...
  137. Daniel Duffy

    Is Stochastic Processes still a relevant course to take for a prospective quant?

    Writing a library with bells and whistles takes knowledge and experience. On the other hand, I think it is useful if you can code up simple algorithms to 1) double check others' work, 2) reverse engineer to a certain extent what is going on in ML libraries, 2)avoiding becoming deskilled, e.g...
  138. Daniel Duffy

    Is Stochastic Processes still a relevant course to take for a prospective quant?

    Well said. In my case I am using stuff (e.g. PDE) that I learned, starting in 1972. And I now teach it to MSc/MFE students. Stochastics are important. No one can say if ML -as we know it Jim - will be around in 5 years time. AI has had a very checkered history..
  139. Daniel Duffy

    Python interview

    Python is huge. BTW do you know Python?
  140. Daniel Duffy

    C++ Online Certificate Students' intro thread

    But this is not any old C++ course but the QN/Baruch C++ course and is exciting and not scary at all, especially with all the great support from the QN team 😁
  141. Daniel Duffy

    What chances nowadays to get into Quant Developer roles with a PhD in Computational Mech. Eng.

    Good question. A given topic has a begin(), middle and end(), So new C++11 stuff needs to be motivated before jumping into code, for example chapter 3 on modelling functions is vital 1. What kinds of functions 2. Functional programming 3. FP in C++11, what, how, why, when 4. Examples For...
  142. Daniel Duffy

    What chances nowadays to get into Quant Developer roles with a PhD in Computational Mech. Eng.

    Thank you. One goal is to get the reader up to speed as quick as possible. In training sessions, it is similar to 20 minutes lecturing and then 30 minutes practice. This is the optimal mix imho.
  143. Daniel Duffy

    What chances nowadays to get into Quant Developer roles with a PhD in Computational Mech. Eng.

    Ooompfh 1168 pages, you guys really want to keep me unemployed My book is really several books in 1: 1168 pages??? It's only 1142 pages, what? 1. C++11 syntax A-Z without being a copy of the reference manual. Syntax alone + silly examples I am allergic to (sorry, I am not a CS). 2. New...
  144. Daniel Duffy

    What chances nowadays to get into Quant Developer roles with a PhD in Computational Mech. Eng.

    Anyone not a mathematician would tacitly assume Shape to be simply connected... Nothing got to do with maths, it's no insurance again not understand CAD and good design. And design patterns are great for CAD, esp. Factory, Composite, Bridge, Strategy and above all. VISITOR (multiple dispatch)...
  145. Daniel Duffy

    Pre-requisites for CQF

    Which PDE textbook was that, Onegin?
  146. Daniel Duffy

    What chances nowadays to get into Quant Developer roles with a PhD in Computational Mech. Eng.

    The demo! 1. GetPerimeter(), Area() do not belong in Shape ... not all shapes are closed 2. He did not delete the array of Shape* in main() See the C++ code from boost. Best in class. Wow, this thread is almost as lengthy as your book, took two years to develop it. But I agree - or, at...
  147. Daniel Duffy

    Pre-requisites for CQF

    What's CQF? The Institute?
  148. Daniel Duffy

    Supported Compilers

    This is a well-known discussion here. What about VM product? @APalley
  149. Daniel Duffy

    What chances nowadays to get into Quant Developer roles with a PhD in Computational Mech. Eng.

    A follow-on and related discussion on C++11 and using it in applications 1. Pareto rule: 20% of C++ syntax delivers 80% of its efficacy. 2. Some developers wax lyrical on super-cool syntax such as constexpr, too much emphasis on auto, generic lambdas. Determine why you want to use them and what...
  150. Daniel Duffy

    What chances nowadays to get into Quant Developer roles with a PhD in Computational Mech. Eng.

    The late Mark Joshi's C++ book with Design Patterns + basic examples in finance might be a good place to get some initial exposure. It dates from 2005 (same time as 1st edition of my own book), so much has changed.
  151. Daniel Duffy

    What chances nowadays to get into Quant Developer roles with a PhD in Computational Mech. Eng.

    @Daniel_Duffy too reports in the opening of paragraph 2.2.1 of his Financial Instrument Praising using C++ (2nd ed.) , that the main issue here is not as much about elegance, but more prosaically about dangling pointers and memory leaks caused by error-prone bookkeeping of 'raw' pointers. This...
  152. Daniel Duffy

    Quantnet Advanced C++ course or CFA?

    I don't know myself. Why not both C++ and CFA? Some schools look for ODE/PDE.
  153. Daniel Duffy

    What chances nowadays to get into Quant Developer roles with a PhD in Computational Mech. Eng.

    Rust is a new and a particularly influential systems programming language taking on C++ and fixing its flaws C++ has no flaws, just features :) Rust is probably another 'quiche' language? It is mainstream? If anything, Julia looks very exciting for finance, but I have not used it...
  154. Daniel Duffy

    What chances nowadays to get into Quant Developer roles with a PhD in Computational Mech. Eng.

    I loved the C++ book "Thinking in C++" by Bruce Eckel. That's where I started end 80s. On a more general rant/note, most of the new fancy syntax is premature optimization (some CS developers do like it nonetheless) and it cannot be implemented in the short term. They try to optimize even...
  155. Daniel Duffy

    What chances nowadays to get into Quant Developer roles with a PhD in Computational Mech. Eng.

    Actually, C++17/C++20 is the current standard! BTW C++14 is essentially bug fixes for C++11. My main issue is the examples in Meyers' book .. everything is a vanilla Widget class which is not to everyone's taste. From there my somewhat nasty remark on syntax. Many application developers consult...
  156. Daniel Duffy

    What chances nowadays to get into Quant Developer roles with a PhD in Computational Mech. Eng.

    As you say in your first post, you are looking for advice. For agree... there are other sites.
  157. Daniel Duffy

    What chances nowadays to get into Quant Developer roles with a PhD in Computational Mech. Eng.

    Au contraire. The book comes with working code for each chapter. That saves you time!
  158. Daniel Duffy

    What chances nowadays to get into Quant Developer roles with a PhD in Computational Mech. Eng.

    You don't need money, just time and drive. Not Meyers for you. It's syntax only and outdated. This one does C++11 for Finance https://www.datasim.nl/blogs/13/summary https://quantnet.com/threads/blog-articles-on-c-11-and-computational-finance-by-daniel-j-duffy.32237/
  159. Daniel Duffy

    What chances nowadays to get into Quant Developer roles with a PhD in Computational Mech. Eng.

    Indeed. Writing code in a PhD environment is a million miles away from the same endeavours in Industry. An overhaul is needed IMO. Things have moved on. But that's only what I think. “A little learning is a dangerous thing. Drink deep, or taste not the Pierian Spring; There shallow draughts...
  160. Daniel Duffy

    Profile evaluation...GRE vs Quant projects

    Where do you do C++ course?
  161. Daniel Duffy

    What chances nowadays to get into Quant Developer roles with a PhD in Computational Mech. Eng.

    Most of the Python libraries are user-friendly fancy wrappers for Fortran and C++ libraries, e.g. LAPACK, QUADPACK etc. etc. On a general note 1. Subtype inheritance has fallen out of fashion somewhat which means less pointers to base class. 2. C++11 has a new memory model...
  162. Daniel Duffy

    What chances nowadays to get into Quant Developer roles with a PhD in Computational Mech. Eng.

    I qualify my remarks on GOF is that they are very good but _not_ to implement them in style OOP C++98 style as is done in the GOF book. And many patterns are directly supported in C++11 and Boost. Don't throw the baby out with the bathwater.
  163. Daniel Duffy

    What chances nowadays to get into Quant Developer roles with a PhD in Computational Mech. Eng.

    Not the punctuation, but what you are trying to say is not clear to me. So, GOF == old hat? It's analogies I have difficulties with ... so many possible interpretations. (I applied GOF to many technical apps (CAD, Risk, Process) since 1992. Now I have developed multiparadigm OOP-GP-FP patterns).
  164. Daniel Duffy

    What chances nowadays to get into Quant Developer roles with a PhD in Computational Mech. Eng.

    Yes, Franco Brezzi was there. Nice, friendly man. The head of Analisi Numerica was the legendary Enrico Magenes. At the time I was researching FEM for 1st order hyperbolic systems of Friedrichs type. Regarding C++, your approach _seems_ rather archaic and misunderstanding of what smart pointers...
  165. Daniel Duffy

    What chances nowadays to get into Quant Developer roles with a PhD in Computational Mech. Eng.

    For C++, Quantnet/Baruch are very popular. Gang of Four patterns are severely outdated and are a snapshot of C++ in 1992. Things have moved on. C++ 98 is also outdated in a sense. The Baruch courses are up to date. I like the numerical analysis background, it's not everyday you meet someone...
  166. Daniel Duffy

    C++ Online Certificate Students' intro thread

    Maybe ask this question on the student forum as it might be snowed in here. @APalley @GONG CHEN
  167. Daniel Duffy

    HackerRank vs LeetCode vs ?

    I find online code questions very silly. The best way is to have an interviewer who knows what programming is. For C++, I reckon it takes 10-15 minutes to test the interviewee. Rule #1; don't try to bluff your way through the tests.
  168. Daniel Duffy

    Master's Thesis topics in quantitative finance?

    Is your thesis public domain? I have a number of questions regarding McGhee's that I was unable to get an answer to.
  169. Daniel Duffy

    Master's Thesis topics in quantitative finance?

    Sure :) ML and computational finance is also a hot topic and could be a good source. Two very good theses here 1) ML for SABR, 2) computing option sensitivities. https://www.datasim.nl/blogs/26/msc-theses-on-machine-learning-and-computational-finance
  170. Daniel Duffy

    Master's Thesis topics in quantitative finance?

    Machine Learning (ML) in finance is becoming popular.
  171. Daniel Duffy

    Supported Compilers

    Visual Studio on Windows is great. Many people use it. Big user base to help with support etc.
  172. Daniel Duffy

    C++ Online Certificate Students' intro thread

    Hard one to answer. There are so many factors, not the least of which is if you really like C++ and are good at it. Knowing Python can be a disadvantage, really. It is much sloppier syntax than C++. You can get into bad habits. Two types of people: those who like C++ and them that don't.
  173. Daniel Duffy

    Sales

    I have no idea what is good for you. My remark was how you correlated STEM and being outgoing. Why not stick with STEM? Is it the money?
  174. Daniel Duffy

    C++ Online Certificate Students' intro thread

    Jan 15 2020?? No way. Give yourself 16 weeks. @APalley @GONG CHEN
  175. Daniel Duffy

    MSc in Artificial Intelligence at Imperial (UK). What are my chances of landing a quant research role?

    Time will tell. A new, disruptive technology could change that.
  176. Daniel Duffy

    MSc in Artificial Intelligence at Imperial (UK). What are my chances of landing a quant research role?

    I see AI (and is very fuzzy and it's very early days IMHO) as an application area based on more fundamentals skill such as (numerical) mathematics, statistics and certain areas of computer science. Once you know these then I reckon life becomes easier. It is not necessary to have a PhD to do...
  177. Daniel Duffy

    Mark Joshi's guide: What do quants do?

    Sadly, Mark Joshi passed away a few years ago. https://fbe.unimelb.edu.au/newsroom/obituary-for-professor-mark-joshi MJ had contacts with Quantlib, so maybe inquire there. Found this http://www.maths.usyd.edu.au/u/UG/SM/MATH3075/r/Joshi_2008.pdf
  178. Daniel Duffy

    MSc in Artificial Intelligence at Imperial (UK). What are my chances of landing a quant research role?

    Is it possible to go from BA to Phd and 'skipping' MSc? Are you good in 'researching' on your own?
  179. Daniel Duffy

    Sales

    In spite of having a heavy STEM background, I'm pretty decent with people and I'm a strong communicator That's a cliché. The two are uncorrelated IMO. Richard Feynman and John von Neumann.
  180. Daniel Duffy

    The Coming Glut of Financial Engineers

    Why are they doing this? My guess: A Law of Software 'Gravity' is that maintainability (costs) takes the upper hand as a software product evolves and mature.s It can be an asset or a liability.
  181. Daniel Duffy

    ODE and Analysis book recommendations

    Smale is a Fields medallist and Wolf prize recipient.
  182. Daniel Duffy

    Everything you need to pick MFE programs

    What's grammatically wrong in the title?
  183. Daniel Duffy

    Blog: Articles on C++11 and Computational Finance (by Daniel J. Duffy)

    Boost C++ Histogram library. https://www.boost.org/doc/libs/1_72_0/libs/histogram/doc/html/index.html This library provides a histogram for multi-dimensional data. In the multi-dimensional case, the input consist of tuples of values which belong together and describing different...
  184. Daniel Duffy

    Quant internship disaster

    Can you give an example of a 'verbal puzzle', please? IMHO your success in life is not determined solely by 'puzzles' :) Still, I suppose puzzles must be learned.
  185. Daniel Duffy

    Quant internship disaster

    Some on the board of directors, because of this, were lobbying to remove Watson as IBM's President. He needed these inventories sold. A very large government bid, approaching a million dollars, was on the table. The IBM Corporation—no, Thomas J. Watson Sr.—needed every deal. Unfortunately, the...
  186. Daniel Duffy

    C++ Online Certificate Students' intro thread

    Good luck! The C++ syntax etc. takes a bit of getting used to. So, if you get stuck really, take a break and /or ask the TAs. Training/study blocks of 2 hours is not a bad strategy.
  187. Daniel Duffy

    What exactly is AAD (Adjoint Algorithmic differentiation)?

    Here are the maths Boost guys. In the past I found John Maddock was friendly and I know Thijs vd Bergh who does quant and ML. Maybe have another go? Disclaimier: I don't know the inner workings of how Boost is organized.. Having a header-only public AAD library would be good...
  188. Daniel Duffy

    What exactly is AAD (Adjoint Algorithmic differentiation)?

    Thanks for the feedback, Anttoine Found a good definition from risk.net Adjoint algorithmic differentiation is a mathematical technique used to significantly speed up the calculation of sensitivities of derivatives prices to underlying factors, called Greeks. It is widely used in the risk...
  189. Daniel Duffy

    What exactly is AAD (Adjoint Algorithmic differentiation)?

    I googled "AAD" and it did not give any hits. My feeling is AD has been promoted to emphasise the adjoint (reverse) aspects of the 2 modes of AD. I am confused by the rationale. Making up new names confuses people no end (it's rampant in ML, those guys make up names for things that already...
  190. Daniel Duffy

    UCB MFE How rigorous is the curriculum?

    Small remark on grammar: The singular of 'alumni' is 'alumnus' https://en.wikipedia.org/wiki/Alumnus In accordance with the rules of grammar governing the inflexion of nouns in the Romance languages, the masculine plural alumni is correctly used for groups composed of both sexes: the alumni...
  191. Daniel Duffy

    What exactly is AAD (Adjoint Algorithmic differentiation)?

    Boost C++ library has autodiff for AD as well (header-only). https://www.boost.org/doc/libs/master/libs/math/doc/html/math_toolkit/autodiff.html
  192. Daniel Duffy

    What exactly is AAD (Adjoint Algorithmic differentiation)?

    Antoine, You might be interested in two excellent theses on ML and finance that discusses a number of related methods. https://www.datasim.nl/blogs/26/msc-theses-on-machine-learning-and-computational-finance
  193. Daniel Duffy

    MSc Theses on Machine Learning and Computational Finance

    Graduation day! Congratulations, Dalvir Singh Mandara https://www.linkedin.com/feed/update/urn:li:activity:6610872313523113984/
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