Skip to main content
Mathematics
ayv2's user avatar
ayv2's user avatar
ayv2's user avatar
ayv2
Unregistered
  • Member for 10 years, 5 months
  • Last seen more than 10 years ago
Profile Activity
Stats
349
reputation
46k
reached
0
answers
25
questions
Communities
Badges
View all badges
This user doesn’t have any gold badges yet.
9
silver badges
19
bronze badges
Top tags
View all tags
0
Score
11
Posts
44
Posts %
0
Score
5
Posts
20
Posts %
0
Score
4
Posts
16
Posts %
0
Score
3
Posts
12
Posts %
0
Score
2
Posts
8
Posts %
0
Score
2
Posts
8
Posts %
Top posts
View all questions and answers
4
Prove that $\sup (C) = \sup (A)\sup (B)$ and $\inf (C) = \inf (A)\inf (B)$
Feb 20, 2014
4
Can someone explain geometric multiplicity?
Feb 25, 2014
3
Show that a real number in $(0,1]$ is rational if and only if it has a repeating decimal representation.
Mar 3, 2014
3
The Fredholm Alternative
Mar 20, 2014
2
How do you prove that $\operatorname{row}(\mathbf{AB})$ is contained in $\operatorname{ row}(\mathbf B)$?
Feb 11, 2014
2
Let x,y be $x,y\in{\Bbb R}$. Suppose that $x^2+y^2=0$. Prove that $x =0$ and $y=0$.
Feb 12, 2014
2
Find all $(x,y,z)$ on $S$ such that the line connecting $Q$ to $(x,y,z)$ is tangent to $S$?
Feb 16, 2014
2
Prove that $\sup f(x) \leq \inf g(y)$
Feb 20, 2014
1
If $A$ is $m\times n,$ prove that every vector in $null(A)$ is orthogonal to every vector in $row (A)$
Feb 11, 2014
1
Let A be an m×n matrix and let B be an n×m matrix, so that both AB and BA are defines. Prove that:
Feb 11, 2014