Referencing cells in arrays (numpy)

[Duncan Smith]

I am struggling to find out how to reference individual cells in a
multidimensional array.  I just don't seem able to find the relevant section
of numeric.pdf.

Also, I only want to consider certain cells, so I'm looking for an efficient
method of 'pruning' the array.  I'm currently using 'resize', but that still
leaves me with a fairly inefficient 'rejection' approach (at least it will
when I figure out how to reference individual cells).  Any ideas?  Thanks.

Please e-mail any responses to my work e-mail: smit-ch1 at paisley.ac.uk