spektr

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ordinary-differential-equations

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Probability terminology: determining events based on random variable evaluations

Nov 21, 2019

Analysis of Coupon Collector variant with diminishing probabilities of finding a new coupon

Oct 26, 2019

Combinatorial proof of $\sum_{k=n}^{q-m} \binom{k}{n} \binom{q-k}{m} = \binom{q+1}{m+n+1}$

May 8, 2020

Sum $\frac{1}{2}\sum_{\substack{n = 1 \\n \text{ odd}}}^{\infty} \sum_{k=0}^n \frac{x^k}{k!} \frac{x^{n-k}}{(n-k)!}$

May 8, 2020

Concentration inequality for of sum of iid Geometric random variables taken to some power

Apr 1, 2021

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Why is the numerical solution of this equation unstable? Is this equation stiff?

Nov 23, 2015

Second derivative of composition of vector function

Mar 12, 2018

jointly discrete continuous & discrete probability - conditioning on a range

Mar 31, 2020

Closed form for Chu–Vandermonde identity-like summations

Nov 9, 2020

Mapping Irregular Quadrilateral to a Rectangle

Oct 17, 2014

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