[SciPy-user] indexes in very large matrices

Kurt J kurtjx at gmail.com
Mon Mar 17 13:58:13 EDT 2008


Hi List,

I have a rather large matrix (15k x 15k) and I was hoping there was a nice
efficient way to search thru it.  Currently I am just using for loops to go
thru the rows and columns...

for i, iKey in enumerate(self.matrixKey):
>             for j, jKey in enumerate(self.matrixKey):
>                 if self.matrix[i][j] <= threshold and not self.matrix[i][j]
> == 0.0:
>                     print "threshold at " + str(iKey) + " and " +str(jKey)
>


Can I do something more clever?  Quicker?

BTW Numpy and Scipy rock!!!

Cheers,
Kurt J
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.scipy.org/pipermail/scipy-user/attachments/20080317/23bcce6d/attachment.html>


More information about the SciPy-User mailing list