[Pd] Toeplitz solver libraries? Is there a new fast routine anywhere?
Mathieu Bouchard
matju at artengine.ca
Sat Feb 18 08:38:54 CET 2006
On Fri, 17 Feb 2006, Mathieu Bouchard wrote:
> If they are not circulant, then I guess you can fake it by considering
> them each as the sum of a circulant matrix and a simpler matrix. The
> latter is actually a triangular Toeplitz minus its transpose.
lies, lies, damn lies. It looks like:
[
0, +a, +b, +c
-c, 0, +a, +b
-b, -c, 0, +a
-a, -b, -c, 0
]
So it's not really what i said it is, but still it's a subgroup of
Toeplitz.
> because a circulant matrix is like a cyclic convolution product,
damn. let's rephrase this as: the ordinary matrix product on circulant
matrices is like a cyclic convolution product.
_ _ __ ___ _____ ________ _____________ _____________________ ...
| Mathieu Bouchard - tél:+1.514.383.3801 - http://artengine.ca/matju
| Freelance Digital Arts Engineer, Montréal QC Canada
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