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user2987

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

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  • Member for 8 years, 3 months
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  • Last seen Mar 9 '20 at 22:37

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13 Is the trace of inverse matrix convex? Feb 8 '13
5 Set geometry and inclusion Apr 15 '14
4 Convexity of $\mathrm{trace}(S) + m^2\mathrm{trace}(S^{-2})$ Mar 9 '13
4 square root of a real matrix Feb 25 '13
3 How to construct non-square isometry matrix Feb 24 '13
3 What is the derivative of $\mathrm{trace}((S^T S)^{-2})$ w.r.t. $S$ Feb 26 '16
3 Projection Matrix onto null space of a vector Mar 19 '16
2 How to Project onto the Unit Simplex as Intersection of Two Sets (Optimizing a Convex Function)? Nov 8 '16
2 Find the three closest surrounding neighbors from a data May 21 '15
2 Lagrange multiplier expression May 27 '15
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