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Mathematics
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anderstood

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 6 years, 10 months
  • 642 profile views
  • Last seen 23 hours ago

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Top posts (146) All Questions Answers | Votes Newest

22 Why is the inverse of a sum of matrices not the sum of their inverses? Feb 17 '15
15 $a!b!$ multiple of $a! + b!$ implies $3a\geq 2b + 2$ Sep 18 '17
10 Why are 1 and -1 eigenvalues of this matrix? Feb 28 '15
10 Why is $\int_{0}^{1}x^x(1-x)^{2-x}\sin(x\pi)dx=\int_{0}^{1}x^{1+x}(1-x)^{1-x}\sin(x\pi)dx?$ Jan 13 '17
9 Where is the “wave information” hidden in this ODE Sep 2 '17
9 Invariant vectors of $A^n B^m$ with $A,B$ orthogonal matrices Jun 4 '16
8 Given a symmetric positive-definite matrix $M$, find all $A$ such that $A^\top M A=M$ May 25 '16
7 Alternative computation of eigenvalues of this tridiagonal matrix Sep 3 '16
7 Roots of combination of trigonometric functions Nov 18 '16
7 A functional equation $\varphi(x) = \epsilon(x)\epsilon(x+x_1)\varphi(x+x_2)$ Jul 21 '17
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