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Apr
19
asked Givens rotation and retraction mapping
Apr
9
awarded  Notable Question
Mar
25
accepted Generic points as coefficients of polynomial kernels?
Mar
24
revised Generic points as coefficients of polynomial kernels?
edited title
Mar
24
asked Generic points as coefficients of polynomial kernels?
Feb
18
comment Homework problem on continuity
I think differentiability implies continuity.
Jan
23
comment $QQ$-plot - Why do we choose the empirical distribution $F_n(x) = \frac {\#\{y \in S \mid y \le x\}} n$, $S$ is sample, for comparison with normal?
Just to mention that there is another SE site for statistics: stats.stackexchange.com
Jan
23
comment Correspondence between an order of rational function field and a Dedekind cut
Thanks. Then where does the $a$ come from? It seems to me that $X>_{\mathbb{R}(x)}x\iff X-x>_{\mathbb{R}(x)}0\iff -x >_\mathbb{R}0 \iff x<_\mathbb{R} 0$.
Jan
23
asked Correspondence between an order of rational function field and a Dedekind cut
Jan
15
answered Mnemonic for cross product
Jan
8
comment How prove this inequality $(a^2+bc^4)(b^2+ca^4)(c^2+ab^4) \leq 64$
Maybe different patterns of lines, if that's convenient for you.
Jan
8
comment Set of critical points of polynomial: why finite
When you say a polynomial defined on $\mathbb{R}^n$, does it mean a multivariate polynomial with $n$ variables?
Jan
8
comment How prove this inequality $(a^2+bc^4)(b^2+ca^4)(c^2+ab^4) \leq 64$
Can you use other colors? Since many people have protanopia or protanomaly (like me).
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.