Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

  7. current community

    your communities

    more stack exchange communities

    company blog
Mathematics
Meta user
Network profile
2,179
reputation
10
30

anderstood

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

70
answers
76
questions
~45k
people reached
  • Member for 6 years, 9 months
  • 642 profile views
  • Last seen Apr 16 at 7:37

Communities (34)

Top Meta Posts
2
0

Top network posts

Top tags (140)

Score 27
Posts 46
Posts % 32
Score 23
Posts 21
Score 13
Posts 16
Score 10
Posts 8
Score 4
Posts 7
Score 2
Posts 11
View all tags →

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
View all questions and answers →

Badges (40)

Gold

—

Silver

10

Rarest

Bronze

30

Rarest

View all badges →