Stack Exchange

Chris Taylor

London, United Kingdom

http://www.linkedin.com/in/crntaylor

I'm broadly interested in very applied math. I try to apply ideas from mathematics, statistics, machine learning, formal systems and computer science to solve real-world problems. Mostly in applied finance/quantitative trading, but in other areas if the mood takes me.

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Top Questions

Abusing the algebra of algebraic data types - why does this work?

haskell functional-programming algebraic-data-types miranda asked Feb 8, 2012 at 9:09

stackoverflow.com

Expectation of the maximum of gaussian random variables

probability normal-distribution order-statistics asked Dec 6, 2011 at 21:20

math.stackexchange.com

Using MathJax with Jekyll

jekyll mathjax asked Jun 11, 2012 at 21:46

stackoverflow.com

Has a fifteen year old from Canada discovered a hidden Mayan city?

history archeology asked May 11, 2016 at 17:02

skeptics.stackexchange.com

Can someone explain the Yoneda Lemma to an applied mathematician?

abstract-algebra category-theory intuition asked May 5, 2011 at 11:23

math.stackexchange.com

What's the theoretical basis for existential types?

haskell types type-systems existential-type quantifiers asked May 25, 2012 at 10:47

stackoverflow.com

Sets, Functors and Eq confusion

scala haskell equality functor asked Oct 4, 2013 at 8:56

stackoverflow.com

Approximate order statistics for normal random variables

distributions normal-distribution approximation order-statistics asked Mar 31, 2011 at 10:14

stats.stackexchange.com

How does one compute the sign of a permutation?

group-theory algorithms permutations finite-groups asked Sep 19, 2011 at 23:50

math.stackexchange.com

How is Yoda's speech translated to non-English languages?

star-wars languages yoda asked Apr 27, 2017 at 17:51

scifi.stackexchange.com

Top Answers

Shorthand way for assigning a single field in a record, while copying the rest of the fields?

stackoverflow.com

How to play with Control.Monad.Writer in haskell?

stackoverflow.com

Difference between print and putStrLn in Haskell

stackoverflow.com

What is the geometric interpretation of the transpose?

math.stackexchange.com

How can I parse the IO String in Haskell?

stackoverflow.com

Chance of meeting in a bar

math.stackexchange.com

What does 'linear' mean in Linear Algebra?

math.stackexchange.com

Sum of First $n$ Squares Equals $\frac{n(n+1)(2n+1)}{6}$

math.stackexchange.com

Intuitive interpretation of the Laplacian Operator

math.stackexchange.com

Mathematical "urban legends"

mathoverflow.net

Computational complexity of least square regression operation

math.stackexchange.com

What does "Pure" mean, in the context of programming languages and paradigms?

stackoverflow.com

Haskell printf to string

stackoverflow.com

What does the letter epsilon signify in mathematics?

math.stackexchange.com

How are pseudorandom and truly random numbers different and why does it matter?

What's the purpose of the + (pos) unary operator in Python?

stackoverflow.com

How to calculate the gradient of log det matrix inverse?

math.stackexchange.com

Monad Transformers vs Passing parameters to functions

stackoverflow.com

Matlab - PCA analysis and reconstruction of multi dimensional data

stackoverflow.com

How can non-determinism be modeled with a List monad?

stackoverflow.com

Bayesian vs frequentist Interpretations of Probability

stats.stackexchange.com

negative number divided by positive number, what would be remainder?

math.stackexchange.com

Regular average calculated accumulatively

math.stackexchange.com

Gradient Descent with constraints (lagrange multipliers)

stackoverflow.com

Haskell: tail recursion version of depth of binary tree

stackoverflow.com

How is the Fourier transform "linear"?

math.stackexchange.com

What are some examples of a mathematical result being counterintuitive?

math.stackexchange.com

What's the equivalent of Clojure's "do" in Common Lisp?

stackoverflow.com

How often does it happen that the oldest person alive dies?

math.stackexchange.com

How to calculate cumulative distribution in R?

stats.stackexchange.com