koara wrote:

Hello, when saving a sparse matrix via scipy 0.5.2: scipy.io.mmio.mmwrite(), an exception is thrown:

scipy.io.mmio.py: line 269: AttributeError: gettypecode not found

changing the line to read

269: typecode = a.dtype.char

fixes the problem.

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Fixed in svn.

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from scipy import * A = sparse.speye(10,10) A

<10x10 sparse matrix of type '<type 'numpy.float64'>' with 10 stored elements (space for 10) in Compressed Sparse Column format>

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help (io.mmwrite)

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io.mmwrite('A1',A)

Nils

%%MatrixMarket matrix coordinate real general % 10 10 10 0 0 1.0000000000000000e+00 1 1 1.0000000000000000e+00 2 2 1.0000000000000000e+00 3 3 1.0000000000000000e+00 4 4 1.0000000000000000e+00 5 5 1.0000000000000000e+00 6 6 1.0000000000000000e+00 7 7 1.0000000000000000e+00 8 8 1.0000000000000000e+00 9 9 1.0000000000000000e+00