[Numpy-discussion] Matrix construction

Travis Oliphant oliphant at ee.byu.edu
Fri Jun 23 12:14:26 CDT 2006


Ed Schofield wrote:

>On 22/06/2006, at 12:40 AM, Bill Baxter wrote:
>
>  
>
>>Actually I think using mat() (just an alias for the matrix  
>>constructor) is a bad way to do it.  That mat() (and most others on  
>>that page) should probably be replaced with asmatrix() to avoid the  
>>copy.
>>    
>>
>
>Perhaps the 'mat' function should become an alias for 'asmatrix'.   
>I've thought this for a while.  Then code and documentation like this  
>page could remain short and simple without incurring the performance  
>penalty.
>  
>
I wanted this too a while back but when I tried it a lot of code broke 
because there were quite a few places (in SciPy and NumPy) that were 
using the fact that mat returned a copy of the array.  

-Travis





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