forwarded message from Donald Tournier

Brian Gough
Thu Jan 22 12:43:00 GMT 2004

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From: "Donald Tournier" <>
Subject: [Help-gsl] MxN complex SVD
Date: Tue, 20 Jan 2004 19:08:59 -0000 (GMT)


I need to find the inverse of a general MxN complex matrix. I was thinking
of doing this using SVD, but I can only find SVD functions for real
matrices. Are there any (or are there any plans to add) equivalent SVD
functions for general complex matrices in the GSL? If not, could anyone
help me to write such a function (given that I have no experience of the
workings of SVD)?

Alternatively, maybe someone could suggest a (potentially better) way of
inverting a general MxN complex matrix?

Thanks for any help,

Donald Tournier

Jacques-Donald Tournier
tel: +44 (0)20 7405 9200 ext 0338
Physics & Radiology Unit
Institute of Child Health
30 Guildford Street
London WC1N 1EH

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