On Jul 26, 2008, at Jul 26:10:12 AM, Alan G Isaac wrote:

This is probably the most asked single question.
Use ``ix_``. Example below.


cool.  this should definitely be in the Numpy for Matlab users page, http://www.scipy.org/NumPy_for_Matlab_Users, right after the line:

Matlab     Numpy         Notes

a(1:3,5:9) a[0:3][:,4:9] rows one to three and columns five to nine of a


because this example gives a read-only submatrix.  I looked there first to get an answer, and it wasn't forthcoming. 

thanks for the tip!

bb

-- 
Brian Blais
bblais@bryant.edu
http://web.bryant.edu/~bblais