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Re: Matrix algebra and index order, A # B vs A ## B [message #79716 is a reply to message #79654]

Tue, 27 March 2012 09:01

mort.canty
Messages: 9
Registered: March 2009

Junior Member

On 26 Mrz., 15:00, David Fanning <n...@idlcoyote.com> wrote:

> Yes, the consensus that has emerged is that no operation
> is more fraught with ambiguity, anguish, and frustration
> than trying to translate a section of linear algebra code
> from a paper or textbook (say on Principle Components
> Analysis) to IDL than almost anything you can imagine!
> It's like practicing backwards writing in the mirror.
>

Amen. I've been playing with the idea of a new edition of my book with
both IDL *and* Python coding examples. If it doesn't appear, either
I've dropped the idea or you can look for me in an Asylum for the
column-major/row-major insane.

Mort

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[Message index]

		Re: Matrix algebra and index order, A # B vs A ## B By: David Fanning on Mon, 26 March 2012 06:00
		Re: Matrix algebra and index order, A # B vs A ## B By: mort.canty on Tue, 27 March 2012 09:01
		Re: Matrix algebra and index order, A # B vs A ## B By: Mats Löfdahl on Mon, 26 March 2012 06:45

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