Skip to main content
Mathematics
Lemma's user avatar
Lemma's user avatar
Lemma's user avatar
Lemma
  • Member for 8 years, 3 months
  • Last seen more than a month ago
  • lem.ma
  • Philadelphia, PA, United States
Profile Activity
Stats
806
reputation
61k
reached
48
answers
1
question
Communities
View all
Badges
View all badges
This user doesn’t have any gold badges yet.
5
silver badges
9
bronze badges
Top tags
View all tags
42
Score
41
Posts
84
Posts %
14
Score
11
Posts
22
Posts %
9
Score
4
Posts
8
Posts %
7
Score
8
Posts
16
Posts %
6
Score
2
Posts
4
Posts %
4
Score
5
Posts
10
Posts %
Top posts
View all questions and answers
8
"Show" that the direction cosines of a vector satisfies...
Jun 26, 2016
5
Let $A\in$ $M_{2015x2015}$ prove that $A^2-A\neq I$
Apr 17, 2016
4
Linear algebra for modern differential geometry( and other types of modern geometry, like analytic, complex and algebraic)
Apr 27, 2016
3
Why does row reduction not change the dependence relation between columns?
Dec 4, 2018
3
Solving $Ax = 0$ with Singular Value Decomposition
Apr 18, 2016
2
Is there a way to solve an arbitrary ODE of first order?
Apr 18, 2016
2
Inverse matrix of sin and cos being multiplied.
Apr 23, 2016
2
Transition matrix of polynomial.
Apr 24, 2016
2
row space of A is equal to the row space of rref?
Apr 24, 2016
2
If $Ax = O$ has only one solutions, the columns of A span R?
Apr 29, 2016
Top network posts
View all network posts
39
Why would anyone contribute to Android?
20
The phantom directive does not do what I expect
18
Is the story about Fermat's writing on a margin true?
15
How to make figures in a casual, old-fashioned style
14
WordOrientation does not work in v11?