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[MUG] Maple vs Matlab
| [MUG] Maple vs Matlab |
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Author: Michael Monagan
Posted: 07/09/2001 04:46:47 GDT
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>> From: Michael Monagan
>From: Carl DeVore
>> From: John Ogilvie
>> Subject: Better plots, including those with text
>>
>> Maple and Matlab are actually more directly competitors than one
>> might naively imagine, especially now that Maple incorporates NAG
>> routines for rapid numerical calculations on matrices and other linear
>> algebraic structures.
>
>Matlab is still far faster at these matrix computations, if you are
>willing to accept hardware floating point. I can solve a tridiagonal
>system of 320 equations 1 million times in about an hour in Matlab on a
>decent computer, not a supercomputer. If we were solving a single very
>large system of equations, I suspect that the times for Maple and Matlab
>could be made comparable. But to do it a million times means that
>call_external is used to pass arguments a million times. It's too much
>overhead.
==========
I'd like to see this claim backed up with some timing data. The
representation for Matrices of hardware floats in Maple is such that
the calling mechanism for calling NAG routines does not make copies
of Matrices as you are suggesting here.
Michael Monagan
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