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Re: matrix log and exp [message #30297 is a reply to message #30290]

Wed, 17 April 2002 12:32

Paul Van Delst[1]
Messages: 1157
Registered: April 2002

Senior Member

G Karas wrote:
>
> Hi group,
> one quickie and possibly difficult:
>
> IDL does not have a matrix logarithm logm and matrix
> exponent expm function. I was thinking of calling lapack
> routines which do it, but have no experience with lapack
> or FORTRAN. Anyone with any tips on this one?

Yes. Use ALOG() and EXP().

paulv

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Paul van Delst Religious and cultural
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[Message index]

		Re: matrix log and exp By: G Karas on Thu, 18 April 2002 06:19
		Re: matrix log and exp By: Paul Van Delst[1] on Thu, 18 April 2002 05:43
		Re: matrix log and exp By: James Kuyper on Wed, 17 April 2002 14:52
		Re: matrix log and exp By: hradilv.nospam on Wed, 17 April 2002 14:34
		Re: matrix log and exp By: Paul Van Delst[1] on Wed, 17 April 2002 12:32

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