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visits member for 3 years, 7 months
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Nov
15
answered When will $AB=BA$?
Apr
19
asked Givens rotation and retraction mapping
Mar
24
asked Generic points as coefficients of polynomial kernels?
Jan
23
asked Correspondence between an order of rational function field and a Dedekind cut
Jan
15
answered Mnemonic for cross product
Jun
17
answered Suppose that a $3\times 3$ matrix $M$ has an eigenspace of dimension $3$. Prove that $M$ is a diagonal matrix.
Apr
17
asked About the spectral radius of a kind of matrices
Apr
17
asked Prove or disprove: the spectral radius of a matrix with negative entries and row sums as 1 is larger than 1
Apr
16
asked Textbooks on modern optimization (on machine learning) with exercises
Feb
1
asked The positive-definite-ness of RBF kernel
Oct
21
asked Questions about algebraic manifold on matrices
Sep
26
answered Solve $3\sqrt{x+4}-2\sqrt{x-11}+5\sqrt{x-8}=0$
Jun
12
asked Compound Poisson process with exponential distribution
Apr
23
answered Need help solving Recursive series defined by $x_1 = \sin x_0$ and $x_{n+1} = \sin x_n$
Apr
14
asked Similarity between $I+N$ and $e^N$ when $N$ is nilpotent
Oct
17
asked How many $n$'s can make $4m^2-n^2$ a perfect square? And, triple of a perfect square?
Sep
25
asked Solution to a system of linear equations in GF(2)
Jul
13
answered How am I supposed to substitute these integral bounds?
Jun
26
asked Moser interation for nonlinear elliptic equation
Jun
25
answered Getting the inverse of a lower/upper triangular matrix