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bio website github.com/sw1sh
location Moscow, Russia
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You Should Do The Matasano Crypto Challenges. I did and they are awesome.


Oct
17
awarded  Popular Question
Oct
1
awarded  Yearling
Sep
24
awarded  Autobiographer
Aug
27
comment Operator and VariationalMethods
You should use an expression for first argument of VariationalD not a function. So just replace g with last expression %.
Jul
30
awarded  Peer Pressure
Jul
2
awarded  Curious
Apr
12
comment Creating centered inline cell in text cell
Maybe there is, I just tried to do this and didn't find anything.
Apr
12
comment Creating centered inline cell in text cell
Are you sure it was created in the front end? Maybe it was imported from TeX, MathML or something. Or it was modified manually, adding GridBoxItemSize option there.
Apr
11
comment Symbolic scalar-by-matrix derivative
Until there is no actual tensor inside Tr it's just a symbolic expression, is up to you how to interpret it.
Apr
11
comment Symbolic scalar-by-matrix derivative
@cryo111 Wouldn't a matrix derivative of a matrix be a fourth rank tensor? Therefore its trace should be a matrix, not a scalar.
Apr
11
answered Symbolic scalar-by-matrix derivative
Apr
10
answered Graphics in Notebook Different from Graphics Expression?
Apr
5
comment Fit two intersecting straight lines in Mathematica
I would estimate an error from the distance between closest to k data points .
Feb
22
revised Defining my own invisible operator
found the solution
Feb
13
revised Defining my own invisible operator
added 208 characters in body
Feb
13
comment Defining my own invisible operator
@Öskå Yes, basically I need an invisible infix operator of my choice.
Feb
13
asked Defining my own invisible operator
Jan
21
awarded  Popular Question
Jan
4
comment Different integral when used with assumptions
I would say it's a bug that there is not every conditional in the first result. But the results are the same if you assume this condition.
Dec
16
answered Find the number of nonzero elements