[SciPy-user] NumPy matrix-vector calculation

Alan Isaac aisaac@american....
Tue Oct 2 12:51:39 CDT 2007


On Tue, 2 Oct 2007, Dinesh B Vadhia wrote:
> Under certain circumstances, we may have to increase the 
> size of M to M+R leaving N alone ie. append R rows to the 
> end of matrix A.  We would want to do this while the 
> program is executing. 

You may not need to do this.
Appending B to A and then post-multiplying by y
gives you Ay stacked on top of By.

Cheers,
Alan Isaac






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