729 reputation
313
bio website memming.wordpress.com
location
age 35
visits member for 2 years, 5 months
seen 4 hours ago

I do research in machine learning, information theory, and computational neuroscience.


Jul
13
revised Starting first or second would have better chance in this game?
better title, removed statistics tag
Jul
13
suggested suggested edit on Starting first or second would have better chance in this game?
Jul
11
comment About matrix derivative
Check out the matrix cookbook: www2.imm.dtu.dk/pubdb/views/publication_details.php?id=3274
Jul
11
comment About matrix derivative
x is missing in the final eq
Jul
10
comment Finding mean from die probability
mean is $\sum_i Y_i P(Y_i)$
Jul
7
comment Zermelo–Fraenkel set theory the natural numbers defines $1$ as $1 = \{\{\}\}$ but this does not seem right
An empty set is a set; it is something.
Jul
2
awarded  Curious
Jun
29
awarded  Civic Duty
Jun
5
revised Derivative of a Matrix with respect to a vector
latex help
Jun
5
comment Derivative of a Matrix with respect to a vector
It would be a $k \times k \times k$ object (tensor/hypermatrix).
Jun
5
suggested suggested edit on Derivative of a Matrix with respect to a vector
Jun
4
revised Approximation of optimum for two linear programs
better title, latex <=
Jun
4
suggested suggested edit on Approximation of optimum for two linear programs
May
31
comment Calculating the quadratic form of a vector and Kronecker product
Break your B into two pieces?
May
30
revised Stationary distribution of a vector-autoregressive process
MATLAB solution
May
30
answered Stationary distribution of a vector-autoregressive process
May
24
accepted Swapping rows or columns of Toeplitz matrix changes sign of one eigenvalue
May
24
revised Swapping rows or columns of Toeplitz matrix changes sign of one eigenvalue
non-symmetric toeplitz example
May
23
asked Swapping rows or columns of Toeplitz matrix changes sign of one eigenvalue
May
21
comment Plot histogram and density function
Yes, if you have 40 points, multiply by 40. Your histogram integrates to 40.