Re: [ublas] inverse matrix

From: CARL BARRON (cbarron413_at_[hidden])
Date: 2008-05-23 21:12:38

On May 23, 2008, at 9:13 AM, jinzhu d wrote:

> 1 ~{Hg:N@{SC~}ublas~{Gs>XUs5DDf#?~}how to get the inverse matrix ?
> 2 ~{SP1H=OMjU{5DVPND0oVzND<~#?~}how can i get a copy of helpfile in chinese ?
>
   Most of the time you don't need A^(-1) only a solution AX = B or XA = 
B
which can be computed more efficiently than A^(-1)B or BA^(-1) using
a computed A^(-1).   for a general dense matrix would use an LU 
decomposition
with partial pivoting.