User mlstudent

5 votes

0 answers

1k views

If we have SVD of a submatrix, is that useful for SVD of full matrix?

asked Dec 26, 2014 at 1:09

4 votes

1 answer

702 views

Details of why measurable functions of independent random variables independent.

asked Oct 7, 2017 at 4:10

4 votes

2 answers

187 views

Solving Linear Inhomogeneous System of Differential Equations

asked Mar 29, 2022 at 4:20

3 votes

1 answer

952 views

Part of proof of law of iterated logarithm

asked Jun 6, 2018 at 1:32

2 votes

1 answer

136 views

Details on proof of Martingale difference CLT

asked Jun 18, 2018 at 2:39

2 votes

0 answers

27 views

Expectation: sigmoid times mixture of Gaussians

asked Feb 28, 2020 at 2:31

2 votes

2 answers

235 views

Monic polynomial divided by $x-r$

asked Jan 18, 2013 at 15:44

2 votes

2 answers

46 views

Simple conditional probability

asked Feb 15, 2014 at 3:21

2 votes

1 answer

68 views

If A and A' are approximately the same, are their principal components/SVD very close?

asked Dec 19, 2014 at 11:45

1 vote

0 answers

48 views

Continuous-Time Markov Chain (CTMC): Lipschitz Conditional Transition Probabilities without Bayes theorem

asked Sep 25, 2021 at 22:31

1 vote

1 answer

73 views

Two ways to write directional derivative of matrix exponential

asked Oct 12, 2021 at 3:21

1 vote

1 answer

54 views

Is there an 'inner product wrt a matrix' version of gradient descent?

asked Mar 28, 2022 at 0:10

1 vote

2 answers

385 views

Using inverse of matrix A as approximate inverse of matrix that is very close to A

asked Dec 19, 2014 at 11:40

1 vote

0 answers

635 views

Proof of weak law for triangular arrays

asked Oct 20, 2017 at 5:45

1 vote

0 answers

524 views

why does matrix balancing improve the linear systems condition number of the eigenvector matrix?

asked May 10, 2016 at 2:20

1 vote

1 answer

319 views

Pulling limit inside $L^\infty$ norm?

asked Dec 17, 2016 at 8:03

1 vote

0 answers

40 views

Is this statement similar to law of total expectations true?

asked Dec 22, 2016 at 7:08

1 vote

1 answer

178 views

Why is $|(iX)^j \exp(itX)|=|X|^j$?

asked Jul 13, 2017 at 1:17

1 vote

1 answer

337 views

Is the Gateaux differential an inner product if the Frechet derivative exists?

asked Feb 21, 2020 at 3:40

1 vote

0 answers

60 views

Example of convex function with global min that is Lipschitz but does not have Lipschitz gradients

asked Jun 25, 2020 at 17:49

1 vote

1 answer

48 views

Gaussian convergence in $L^2$

asked Aug 17, 2019 at 20:00

0 votes

2 answers

95 views

Why is $x(\log(x)-1)+1\geq \frac{1}{4}(x-1)^2$ in a neighborhood of $x=1$?

asked Jan 26, 2020 at 1:51

0 votes

1 answer

43 views

Probabilistic inequality for random walks

asked Jun 6, 2018 at 3:22

0 votes

1 answer

817 views

Proof that trace is non-negative: positive definite matrix and a vector

asked Jun 8, 2018 at 16:06

0 votes

1 answer

136 views

Details of Optional Sampling Theorem Proof

asked Jun 12, 2018 at 20:54

0 votes

1 answer

102 views

What is the relationship between linear convergence in gradient descent and linear convergence in real analysis?

asked Jun 29, 2020 at 22:33

0 votes

2 answers

64 views

Gamma function integral inequality

asked Jan 26, 2021 at 3:10

0 votes

4 answers

59 views

Does $(n+1)^x-n^x$ go to $\infty$ as $n\rightarrow\infty$ for $x>1$?

asked Jan 30, 2021 at 0:42

0 votes

1 answer

104 views

Average Length of Longest Segment: What am I Doing Wrong?

asked Mar 24, 2021 at 3:55

0 votes

0 answers

69 views

Existence of Frechet Derivative of Log-Normalizer for Exponential Family Type Distribution

asked May 18, 2021 at 4:39

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42 Questions

If we have SVD of a submatrix, is that useful for SVD of full matrix?

Details of why measurable functions of independent random variables independent.

Solving Linear Inhomogeneous System of Differential Equations

Part of proof of law of iterated logarithm

Details on proof of Martingale difference CLT

Expectation: sigmoid times mixture of Gaussians

Monic polynomial divided by $x-r$

Simple conditional probability

If A and A' are approximately the same, are their principal components/SVD very close?

Continuous-Time Markov Chain (CTMC): Lipschitz Conditional Transition Probabilities without Bayes theorem

Two ways to write directional derivative of matrix exponential

Is there an 'inner product wrt a matrix' version of gradient descent?

Using inverse of matrix A as approximate inverse of matrix that is very close to A

Proof of weak law for triangular arrays

why does matrix balancing improve the linear systems condition number of the eigenvector matrix?

Pulling limit inside $L^\infty$ norm?

Is this statement similar to law of total expectations true?

Why is $|(iX)^j \exp(itX)|=|X|^j$?

Is the Gateaux differential an inner product if the Frechet derivative exists?

Example of convex function with global min that is Lipschitz but does not have Lipschitz gradients

Gaussian convergence in $L^2$

Why is $x(\log(x)-1)+1\geq \frac{1}{4}(x-1)^2$ in a neighborhood of $x=1$?

Probabilistic inequality for random walks

Proof that trace is non-negative: positive definite matrix and a vector

Details of Optional Sampling Theorem Proof

What is the relationship between linear convergence in gradient descent and linear convergence in real analysis?

Gamma function integral inequality

Does $(n+1)^x-n^x$ go to $\infty$ as $n\rightarrow\infty$ for $x>1$?

Average Length of Longest Segment: What am I Doing Wrong?

Existence of Frechet Derivative of Log-Normalizer for Exponential Family Type Distribution