Hi All,
I am having an issue with the mxConstraint command.
I am getting an error when I try and constrain the sum of the squared real and imaginary eigenvalues to be less than a unit matrix.
The algebra and constraint commands are:
mxAlgebra( expression=(eigenval(ACE.bm)^2) + (ieigenval(ACE.bm)^2), name="eigen"),
mxMatrix( type="Full", nrow=2, ncol=1, free=FALSE, values= 1, name="unit"),
mxConstraint(eigen