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 Feb16 awarded Notable Question Dec6 awarded Nice Question Sep25 awarded Famous Question Jul11 asked Marginalization in gaussian Jul10 asked Marginalization of a paramter in Gaussian Jul2 awarded Curious Jul2 awarded Inquisitive Jun30 awarded Yearling Jun15 awarded Popular Question Apr1 comment Confusion related to the convexity of a bunch of functions How come the fourth function is not convex? I plotted the function. It is certainly not convex. But I want to know about it from the properties of absolute values Apr1 revised Confusion related to the convexity of a bunch of functions edited body Apr1 revised Confusion related to the convexity of a bunch of functions added 87 characters in body Mar31 asked Confusion related to the convexity of a bunch of functions Mar7 awarded Popular Question Feb21 comment Calculating the trace of the product of two matrices @Daniel Mahler Your method of calculating two cofactors and the determinant could be expensive too. I mean calculation of cofactors includes finding determinant too. So you have to calculate three determinants. That is expensive. Feb21 comment Confusion related to augmented lagrangian multiplier method @littleO. I didn't get how come $y^{k+1} = y^k + \rho(Ax^{k+1}-b)$ Feb20 asked Confusion related to augmented lagrangian multiplier method Feb15 asked Confusion related to hilbert space Feb10 asked Calculating the trace of the product of two matrices Dec15 asked What is the time complexity of conjugate gradient method