Positive definite Constraint for a non-square Matrix

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Feb 13, 2015, 12:49:36 AM2/13/15
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Hi, 
What will happen if we add a positive definite constraint to a non square matrix (X) in YALMIP?
X=sdpvar(m,n,'full','complex');
Constraint=[X>0];
Is it correct?

Johan Löfberg

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Feb 13, 2015, 2:14:57 AM2/13/15
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You cannot express that a non-hermitian matrix is positive definite. X>=0 for a non-hermitian matrix in YALMIP means all elements are non-negative (in complex case real and imag both non-negative)

http://users.isy.liu.se/johanl/yalmip/pmwiki.php?n=Tutorials.Basics
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