xenon

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793 reputation

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visits	member for	1 year, 11 months
	seen	Apr 22 at 7:57
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56 Questions

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7	Show that $\operatorname{rank}(A+B) \leq \operatorname{rank}(A) + \operatorname{rank}(B)$
7	Determining if a quadratic is always positive
6	Given $A^2+cA+cI=0$, how to find inverse of $A+(c-1)I$?
6	Getting the determinant value of the original matrix from its upper triangular matrix
5	Reason for reversing the order when transpose and inverse of a group of matrices

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793 Reputation

+5	Show that $\operatorname{rank}(A+B) \leq \operatorname{rank}(A) + \operatorname{rank}(B)$
+5	Why Binomial Distribution formula includes the “not-happening” probability?
+5	Finding the column space from nullspace and particular solution
+5	Will any value of a free variable satisfy a system of equation?

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2 Answers

votes activity newest

1	How to prove $\text{Rank}(AB)\leq \min(\text{Rank}(A), \text{Rank}(B))$?
0	Recursive matrices raised to the kth power

18 Tags

1 linear-algebra × 36	0 vector-spaces × 4
1 homework × 15	0 geometry × 3
0 matrices × 34	0 inequality × 2
0 probability × 14	0 transformation × 2
0 statistics × 11	0 computer-science

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