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yoki's user avatar
yoki's user avatar
yoki
  • Member for 12 years, 1 month
  • Last seen more than 2 years ago
38 votes
Accepted

Why do Fourier transforms use complex numbers?

4 votes
Accepted

About linear dependence in covariance matrix and implications on the variables

2 votes
Accepted

Is $H(X)<E(X)$ for natural $X$?

2 votes
Accepted

If a student who received an A in probability is chosen at random, what is the probability that he/she also received an A in calculus?

2 votes

Intuitive understanding of SVD for a matrix

1 vote
Accepted

Stationary time series

1 vote

Combine standard normal distribution with uniform distribution

1 vote
Accepted

Increasing entropy of random walk in regular graph

1 vote
Accepted

Unitary matrix for image processing

0 votes

Expection operator defined on colors

0 votes

Unclarities on Adaptive Huffman Code

0 votes

Joint normal random variables, covariance, and probability

0 votes
Accepted

Calculate the Probability of a Normally Distributed Random Sample

0 votes
Accepted

Divergence of $\iint \text e^{-(\tau_1-\tau_2)}\,\theta(\tau_1-\tau_2)\,\text d ^2\tau$

0 votes

Can $\sum_{a = -\infty}^{\infty} e^{i\omega aT_0}$ be represented by dirac delta functions?

0 votes
Accepted

How to calculate the number of possibilities?