Mathematics
abel's user avatar
abel's user avatar
abel's user avatar
abel
  • Member for 12 years, 8 months
  • Last seen more than 4 years ago
Profile Activity
Stats
29,052
reputation
2.0m
reached
1,609
answers
8
questions
Communities
Badges
View all badges
1
gold badge
31
silver badges
56
bronze badges
Top tags
View all tags
454
Score
395
Posts
24
Posts %
450
Score
315
Posts
19
Posts %
321
Score
286
Posts
18
Posts %
318
Score
179
Posts
11
Posts %
221
Score
143
Posts
9
Posts %
187
Score
130
Posts
8
Posts %
Top posts
View all questions and answers
All Questions Answers
Score Newest
answer
35
Trace of AB = Trace of BA
Jun 6, 2015
answer
30
Does the square or the circle have the greater perimeter? A surprisingly hard problem for high schoolers
Mar 13, 2015
question
21
Finding the circles passing through two points and touching a circle
Apr 11, 2011
answer
21
Non-zero eigenvalues of $AA^T$ and $A^TA$
Dec 31, 2014
answer
17
Show that $f(x) = \frac{x^3}{1+x^2}$ is bijective
Feb 1, 2015
answer
16
Determine a matrix knowing its eigenvalues and eigenvectors
Jan 26, 2015
answer
16
Why are eigenvalues of nilpotent matrices equal to zero?
May 4, 2015
answer
15
Limit of $\frac{1}{\sqrt[n]{n!}}$ as $n$ approaches infinity
Feb 11, 2015
answer
13
Matrices such that $M^2+M^T=I_n$ are invertible
May 18, 2015
answer
12
Show that 1 and -1 are the only eigenvalues of this linear transformation
May 25, 2015
Top network posts
View all network posts
10
ten concurrent lines

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.