SemiDefinite What?
This page contains definitions for SemiDefinite things like matrices, programs, etc.
== SemiDefinite Matrices ==
A positive SemiDefinite matrix is a HermitianMatrix all of whose eigenvalues are nonnegative. Thus any symmetric matrix that has a 0 on the diagonal is a SemiDefinite matrix.
SemiDefinite Programming
Let $M(x):\mathbb{R}^m \rightarrow \mathbb{R}$