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Calling LAPACK's dpotri from Octave ?

From: Julien Bect
Subject: Calling LAPACK's dpotri from Octave ?
Date: Wed, 19 Feb 2020 11:02:52 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0

Hi all,

Suppose I have a real square matrix U, double precision, upper triangular.

I need to compute the inverse of A = U' U (in other words, U is the upper-triangular Cholesky factor of A).

Is there a way to do so efficiently from Octave, for instance by calling LAPACK's dpotri procedure ?


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