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

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Top posts (135) All Questions Answers | Votes Newest

62 What is the difference between projected gradient descent and ordinary gradient descent? Nov 19 '13
15 Why is the $0$th power mean defined to be the geometric mean? Oct 19 '13
11 A practical way to check if a matrix is positive-definite Dec 1 '11
10 $|f(x)|\leq \sqrt{\frac{\pi}{3}\int_0^\pi f'^2}$ Jun 21 '14
8 Conjugate function of log-sum-exp? Jan 21 '18
7 Sum of k-largest eigenvalues of a symmetric matrix as an SDP Dec 1 '14
7 How to prove that a nilpotent matrix is not invertible? Nov 21 '15
7 Proving convexity of a function whose Hessian is positive semidefinite over a convex set Sep 26 '14
7 Definite integral using the method of residues Nov 3 '11
7 What is the motivation behind strong convexity Dec 17 '13
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