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Mathematics
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  • Member for 13 years, 4 months
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I experiment. I design. I solve puzzle.

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Top posts
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question
91
How to show that $\det(AB) =\det(A) \det(B)$?
Aug 28, 2011
question
17
Prove $\det(\mathbf I+\mathbf A^T\mathbf A) = \det (\mathbf I+\mathbf A\mathbf A^T)$
Sep 14, 2011
question
17
$A$ is normal and nilpotent, show $A=0$
Sep 30, 2011
question
10
How many matrices exist with this increasing row and increasing column condition?
Mar 21, 2013
question
8
Prove $\| A(A^TA)^{-1}A^T\|_2 = 1$ when rank of matrix $A$ is $n$
Sep 6, 2011
question
8
How to define sparseness of a vector?
Mar 8, 2012
answer
7
Is it possible to decompose a matrix as the product of two vectors?
Mar 10, 2013
question
6
$A$ is skew hermitian, prove $e^A$ is unitary
Oct 1, 2011
answer
6
How do I find the nearest point on a sphere?
Mar 8, 2013
question
6
How to convert any non-negative matrix into a doubly stochastic matrix?
Aug 7, 2012
Top network posts
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114
What is the difference between a multiclass and a multilabel problem?
61
What is perplexity?
55
How to detect an USB device?
47
How to interpret mean of Silhouette plot?
43
What are the measure for accuracy of multilabel data?