[SciPy-dev] Current status of arpack.speigs.eigvals
by Nils Wagner other posts by this author
Nov 20 2006 5:07AM messages near this date
[SciPy-dev] ARPACK Wrapper update
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Re: [SciPy-dev] Current status of arpack.speigs.eigvals
Hi all,
I am wondering if arpack.speigs.eigvals is ready to compute eigenvalues.
a = random.rand(10,10)
matvec = lambda x:dot(a,x)
nev = 4
ncv = 2*nev
w1,v1 = arpack.speigs.eigvals(matvec,a.shape[0],nev=nev,ncv=ncv)
Traceback (most recent call last):
File "test_eigs.py", line 34, in ?
w1,v1 = arpack.speigs.eigvals(matvec,a.shape[0],nev=nev,ncv=ncv)
File
"/usr/lib64/python2.4/site-packages/scipy/sandbox/arpack/speigs.py",
line 71, in eigvals
if info != 0: raise "Hell" # Indicates some error during the
Arnouldi iterations
Hell
Am I missing something ?
Nils
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