newmat is cool because
a) it supports matlab-style operator expressions (using lazy evaluation),
b) it has linear algebra and dsp algorithms such as svd and fft,
c) and it's free.
however performance suffers for very small matrices, apparently because the lazy evaluation technique requires run-time overhead.
also sparse matrices are not included.
i imagine that the template libraries would be faster for small matrices, but i haven't found one that offered numerical algorithms
such as svd and fft.
are there any template libraries that also offer linear algebra and dsp algorithms?
or has anyone built these routines on existing template libraries such as Blitz++ or POOMA?
what do Blitz++ or POOMA people do?
> > > I am looking for a library C/C++ (preference for C) that could
> > > find the eigen values and vectors of a small matrix under 10x10
> > > (freeware is good)
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