Mathematics
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xenon

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

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  • Member for 8 years, 1 month
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  • Last seen Feb 14 at 14:42

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Top posts (58) All Questions Answers | Votes Newest

27 Getting the inverse of a lower/upper triangular matrix Jun 25 '11
24 How to prove $\text{Rank}(AB)\leq \min(\text{Rank}(A), \text{Rank}(B))$? Aug 24 '11
16 Column Vectors orthogonal implies Row Vectors also orthogonal? Jul 20 '11
13 Show that $\operatorname{rank}(A+B) \leq \operatorname{rank}(A) + \operatorname{rank}(B)$ Aug 24 '11
10 Determining if a quadratic polynomial is always positive Aug 17 '11
8 Properties of a matrix whose row vectors are dependent Jun 27 '11
8 Reason for reversing the order when transpose and inverse of a group of matrices Jul 4 '11
8 Why composite transformations are multiplied to the right side? Sep 1 '11
6 Deriving the inverse of $\mathbf{I}$+Idempotent matrix Aug 21 '11
6 Given $A^2+cA+cI=0$, how to find inverse of $A+(c-1)I$? Sep 25 '11
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