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Jan
7
revised Solve linear algebra expressions
3x3 -> 3\times 3
Jan
7
suggested approved edit on Solve linear algebra expressions
Jan
7
revised Mistake in Taylor expansion?
Texify the question
Jan
7
suggested approved edit on Mistake in Taylor expansion?
Jan
4
comment Kullback–Leibler divergence with elements that are $0$
How about additive smoothing?
Dec
16
comment Find derivative of $f(x)=(x+2)^{(x-1)}$
OK, I get it. It has nothing to do with the logarithm.
Dec
16
comment Find derivative of $f(x)=(x+2)^{(x-1)}$
Sounds like the same as $f$ except for the positiveness.
Dec
16
revised Find derivative of $f(x)=(x+2)^{(x-1)}$
Change ln to \ln
Dec
16
suggested approved edit on Find derivative of $f(x)=(x+2)^{(x-1)}$
Dec
16
comment Find derivative of $f(x)=(x+2)^{(x-1)}$
What are $a$, $b$ and $c$ here?
Nov
12
comment solution of $y^2 - x = 15$ and $x^2 -xy = 2009$
What do you mean by the symbol "|".
Nov
12
comment Infinite self-convolution for a function
Convolution corresponds to the PDF of the sum of random variables. I think something can be obtained by the law of large numbers.
Sep
9
comment What are some examples of mathematics that had unintended useful applications much later?
I think this is kind of "application in mathematics".
Sep
5
comment Permutation matrix notation
You may borrow the notations from permutation group en.wikipedia.org/wiki/Permutation_group
Sep
5
revised Extension of Sobolev functions
Texified the question
Sep
5
suggested approved edit on Extension of Sobolev functions
Sep
1
comment If $A\geq B$ and $A>C$, then does it follow that $B>C$?
Just post your "inequalities about the inf and sup of the range of functions"
Aug
23
awarded  Necromancer
Jun
17
comment Mathematica: How to convert scales to frequencies?
@J.M. Well, it should have been in MMA.SE
Jun
17
comment Suppose that a $3\times 3$ matrix $M$ has an eigenspace of dimension $3$. Prove that $M$ is a diagonal matrix.
@user46080 Well, OK, calm...