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st: RE: computing the inverse square root of a matrix
Jeff Pitblado has a program on the StataCorp website.
. findit root matrix
> I need to compute the inverse square root of a dispersion
> matrix, e.g.,
> X^(-1/2), where X is a square matrix. Does anyone know how
> to compute the
> inverse square root of a matrix in Stata? I cannot seem to
> find any info on
> this either the programming manual or the matrix
> information in the User's Guide.
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