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Tom Chen

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22 Questions

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votes

answer

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Vandermonde-type convolution with geometric term

Nov 29 '16 at 21:20 emiliocba 748

votes

answer

views

Maximizing a permutation of a quadratic form

inequality optimization quadratic-forms integer-programming rearrangement-inequality

Aug 15 at 19:46 Sandeep Silwal 6,178

votes

answers

views

Redux: An interesting four sum inequality (feat. probability)

probability inequality contest-math supremum-and-infimum

Aug 13 at 16:43 Tom Chen 2,347

votes

answers

views

A “divide-and-conquer” iterative procedure for minimizing a sum of convex functions

optimization convex-optimization numerical-optimization newton-raphson

May 19 at 6:51 Rodrigo de Azevedo 13.4k

votes

answers

views

Higher moments of linear regression residuals?

linear-algebra statistics tensor-products projection-matrices

Jan 28 at 17:14 Tom Chen 2,347

votes

answers

views

Supremum of a general Gaussian Process

stochastic-processes stochastic-calculus brownian-motion

Nov 12 at 2:32 Tom Chen 2,347

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answer

views

Woodbury's formula with block-diagonal matrix

linear-algebra matrices inverse

Nov 4 at 7:28 JimmyK4542 42.7k

votes

answers

117

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Probability that Brownian motion falls between two piecewise constant functions

probability stochastic-processes brownian-motion confidence-interval

Jul 7 '16 at 20:34 user345872 135

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answers

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Distribution of outer product of two uniform r.v.'s on ellipsoid

probability normal-distribution outer-product

Jan 25 '18 at 4:30 Tom Chen 2,347

vote

answers

views

Maximum likelihood of a non-injective transformation

probability optimization numerical-optimization maximum-likelihood

Apr 24 '17 at 15:19 Tom Chen 2,347

vote

answers

views

Approximating (or better yet, solving) a functional equation

functional-equations regression interpolation approximation-theory

Feb 16 '17 at 3:13 Tom Chen 2,347

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answers

views

Inversion of so-called probability-generating functional

probability sequences-and-series power-series poisson-process lagrange-inversion

Feb 14 '17 at 9:16 Tom Chen 2,347

vote

answer

views

Conditional distribution of subvector of a Dirichlet random variable

probability

Nov 2 '16 at 5:23 BGM 3,940

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answer

136

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Maximizing the p-value associated with a goodness-of-fit test

probability statistics optimization hypothesis-testing

Oct 29 '16 at 20:13 BruceET 37.6k

vote

answer

views

A binomial symmetric sum

probability expectation binomial-distribution symmetric-polynomials

Apr 5 '16 at 12:33 Tom Chen 2,347

vote

answer

views

Proving $(n+1)c^{1/(n+1)} - nc^{1/n} \le 1$ from first principles

sequences-and-series inequality

May 20 '15 at 3:08 Community♦ 1

votes

answers

views

Expectation of product of normal CDFs

probability integration normal-distribution

Mar 6 at 16:49 Tom Chen 2,347

votes

answer

views

Further terms of Taylor expansion for improved inequalities?

algebra-precalculus inequality recreational-mathematics a.m.-g.m.-inequality

Dec 25 at 8:50 Michael Rozenberg 124k

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answers

views

Solve for $x$ in $\mathbf{a} - \mathbf{b} \sigma(c + \boldsymbol{\theta}^\intercal \mathbf{x}) - \mathbf{D}\mathbf{x} = \mathbf{0}$

complex-analysis numerical-methods lambert-w

Sep 12 '18 at 17:17 Tom Chen 2,347

votes

answers

views

Optimization of sum of squares over permutations

optimization permutations sums-of-squares rearrangement-inequality

Aug 8 '18 at 16:21 Tom Chen 2,347

votes

answer

103

views

A binomial sum identity

probability combinatorics summation binomial-coefficients

Jul 24 '16 at 15:33 Martin Sleziak 46.2k

votes

answers

views

Solving for $f_2(x, y)$ in $\int_{\mathbb{R}}f_1(x, y) f_2(x, y) dx = g(y)$

probability integration inverse functional-equations

Jul 14 '16 at 3:14 Tom Chen 2,347

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22 Questions

Vandermonde-type convolution with geometric term

Maximizing a permutation of a quadratic form

Redux: An interesting four sum inequality (feat. probability)

A “divide-and-conquer” iterative procedure for minimizing a sum of convex functions

Higher moments of linear regression residuals?

Supremum of a general Gaussian Process

Woodbury's formula with block-diagonal matrix

Probability that Brownian motion falls between two piecewise constant functions

Distribution of outer product of two uniform r.v.'s on ellipsoid

Maximum likelihood of a non-injective transformation

Approximating (or better yet, solving) a functional equation

Inversion of so-called probability-generating functional

Conditional distribution of subvector of a Dirichlet random variable

Maximizing the p-value associated with a goodness-of-fit test

A binomial symmetric sum

Proving $(n+1)c^{1/(n+1)} - nc^{1/n} \le 1$ from first principles

Expectation of product of normal CDFs

Further terms of Taylor expansion for improved inequalities?

Solve for $x$ in $\mathbf{a} - \mathbf{b} \sigma(c + \boldsymbol{\theta}^\intercal \mathbf{x}) - \mathbf{D}\mathbf{x} = \mathbf{0}$

Optimization of sum of squares over permutations

A binomial sum identity

Solving for $f_2(x, y)$ in $\int_{\mathbb{R}}f_1(x, y) f_2(x, y) dx = g(y)$