[SciPy-user] matrix-vector multiplication errors
David Cournapeau
david@ar.media.kyoto-u.ac...
Sun Feb 3 01:19:19 CST 2008
Dinesh B Vadhia wrote:
> Matthieu
> We are using real data and are comparing it with results from a C++
> implementation and hence know that the results from the matrix
> operations 1. and 2. are incorrect.
Well, depends on the implementation you are using. Which library are you
using for the computation in C++ ?
> The values of b after the A*x operation are all "-1#IND" for both 1.
> and 2.
>
> Any ideas?
Without more details about the matrices, it will be hard to say.
Basically, if we cannot reproduce your problem, there is little chance
we can say for sure what the problem is,
cheers,
David
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