Reputation
1,131
Next privilege 2,000 Rep.
Edit questions and answers
Badges
6 19
Newest
 Yearling
Impact
~13k people reached

Apr
26
comment Derivative of $\operatorname{tr}[(CC^{T})^{-1}]$?
I think @William might be confused because there are different conventions on matrix derivatives. You want to be consistent with the Matrix cookbook.
Feb
21
revised Vector lengths: How to prove this inequality?
missing square
Feb
21
suggested approved edit on Vector lengths: How to prove this inequality?
Feb
13
comment How to solve $\text{covariance}(X,Y)$ if $Y=X^2$?
$XX^2 = X^3$ is correct...
Feb
9
awarded  Yearling
Nov
19
comment Can anyone please explain the the difference between a vector and a matrix?
vector is a skinny matrix.
Nov
6
comment My proof of Birkhoff–von Neumann theorem whit a probabilistic point of view
Welcome to SE! What is the question? (SE is not a blog)
Oct
22
answered How to represent this matlab code in mathematical notation?
Oct
19
revised Proving $\Gamma (\frac{1}{2}) = \sqrt{\pi}$
added 87 characters in body
Oct
19
answered Proving $\Gamma (\frac{1}{2}) = \sqrt{\pi}$
Jul
22
awarded  Enlightened
Jul
22
awarded  Nice Answer
Jul
13
comment How does kernel work work
probably more suitable for stats.stackexchange.com (cross validated)
Jul
5
answered Clarifying Derivation of Entropy
Jul
4
revised Is there a difference between these statements about natural numbers?
adding appropriate tag
Jul
4
answered Why does this expectation integrate to 1
Jul
4
suggested approved edit on Is there a difference between these statements about natural numbers?
Jul
4
comment Is there a difference between these statements about natural numbers?
quantifier scope is different. You can replace the second $x$ in the first statement to $y$ and think about it.
Jun
22
awarded  Popular Question
May
7
comment what does function from a set to its power set mean?
what's the difference between your notation of --->, -->, and ->?