Sunny88
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### Questions (35)

 9 Is it true that any matrix can be decomposed into product of rotation,reflection,shear,scaling and projection matrices? 6 Regarding usage of $\pm$ sign 3 How to obtain $n$ maximally different binary vectors with equal number of zeros and ones? 3 About plus-minus sign 3 Properties of different matrix representations of clifford algebras

### Reputation (443)

 +15 Is it true that any matrix can be decomposed into product of rotation,reflection,shear,scaling and projection matrices? +8 How can I immeediately see that the $L_2$ norms of $X^T X$ and $X X^T$ are the same for all real matrices $X$? +5 Concentration inequalities for product of gaussians +5 How to obtain $n$ maximally different binary vectors with equal number of zeros and ones?

### Answers (5)

 3 Is it true that for any square matrix of real numbers A, there exists a square matrix B, such that AB is a symmetric matrix? 2 How to find $(-64\mathrm{i}) ^{1/3}$? 1 In the induction proof for $(1+p)^n \geq 1 + np$, a term is dropped and I don't understand why. 1 Calculating partial derivative, polar and cartesian coordinates 0 Proving a rule about del operator as applied to matrices

### Tags (34)

 3 linear-algebra × 11 2 number-theory 3 matrices × 7 2 several-complex-variables 2 complex-analysis × 3 1 derivatives × 10 2 complex-numbers × 3 1 multivariable-calculus × 7 2 computational-complexity 1 induction

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 Information Security 679 rep 266 Stack Overflow 592 rep 2720 Mathematics 443 rep 314 English Language Learners 245 rep 125 TeX - LaTeX 234 rep 15

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### Votes Cast (27)

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26 up 2 question
1 down 25 answer