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10h
revised Relation between error of estimate and rate of convergence
added 43 characters in body
1d
revised Efficiency of quasiconvex optimization
added 77 characters in body; edited title
1d
asked Efficiency of quasiconvex optimization
1d
asked Relation between error of estimate and rate of convergence
1d
revised Verify rotation relation between two matrices
added 52 characters in body
1d
comment Verify rotation relation between two matrices
A is not a squared matrix. It could be nonsingular too. By looking at singular decomposition of both, could this be checked?
1d
asked Verify rotation relation between two matrices
Dec
25
comment shortest distance from point to hyperplane lagrange method
Derivative rules for matrices/vectors could be found above.
Dec
25
comment shortest distance from point to hyperplane lagrange method
math.uwaterloo.ca/~hwolkowi/matrixcookbook.pdf
Dec
25
revised Is squared Euclidean distance a metric?
added 155 characters in body
Dec
25
accepted Is squared Euclidean distance a metric?
Dec
25
comment Is squared Euclidean distance a metric?
Does this (not obeying the triangle rule) happen only when one of the points resides on the line segment made by the two others?
Dec
25
asked Is squared Euclidean distance a metric?
Dec
4
awarded  Nice Question
Oct
30
awarded  Popular Question
Aug
29
accepted Joint Convexity Proof
Aug
27
accepted Extension of metric definition to two sets
Aug
23
accepted Biconjugate of a nonconvex function
Aug
20
asked Biconjugate of a nonconvex function
Aug
19
comment Joint Convexity Proof
Thanks. Yes, I was missing some assumptions. Hope it is right now.