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Sasha
  • Member for 14 years, 7 months
  • Last seen more than a month ago
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About

I'm a mix of things, a physicist by education, I earn my living as a mathematician and programmer working at Wolfram Research. I thoroughly enjoy learning and discovery process.

“Technical skill is mastery of complexity, while creativity is mastery of simplicity”
— Erik Christopher Zeeman

Project Euler

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Top posts

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answer
82
Expectation of the maximum of gaussian random variables
Dec 6, 2011
answer
81
Lebesgue measurable set that is not a Borel measurable set
May 4, 2012
answer
79
Modular exponentiation by hand ($a^b\bmod c$)
Nov 11, 2011
question
74
Probability for the length of the longest run in $n$ Bernoulli trials
Aug 25, 2011
answer
70
Integral: $\int_{-\infty}^{\infty} x^2 e^{-x^2}\mathrm dx$
Sep 20, 2011
answer
64
Why is $\Gamma\left(\frac{1}{2}\right)=\sqrt{\pi}$?
Oct 17, 2012
answer
55
Is the integral $\int_0^\infty \frac{\mathrm{d} x}{(1+x^2)(1+x^a)}$ equal for all $a \neq 0$?
Dec 2, 2011
answer
49
Calculation of the n-th central moment of the normal distribution $\mathcal{N}(\mu,\sigma^2)$
Dec 19, 2011
answer
47
Characteristic function of a standard normal random variable
Nov 27, 2011
answer
42
Prove elementarily that $\sqrt[n+1] {(n+1)!} - \sqrt[n] {n!}$ is strictly decreasing
Feb 8, 2013

Top Meta posts

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Reputation decrease citing "User was removed"
13
Recently rolled out SE Encyclopedia feature.
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"You seem to be using Javascript to avoid clicking the radio button..." error when posting a reason for edit rejection
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MathJax rendering when browsing next pages of the list of my own answers
3
Can one get referrers of the trafic that caused upvotes on my answer?

Top network posts

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49
RandomVariate from 2-dimensional probability distribution
36
Peirce's quincuncial projection
25
What is the most efficient way to add rows and columns to a matrix?
24
Fast Simulations with Compile
22
Plotting an Unreasonable Function