Re: [ublas] set of ublas matrix

Subject: Re: [ublas] set of ublas matrix
From: Masanao Yajima (yajiyajijp_at_[hidden])
Date: 2011-08-04 11:40:51

Hi Ralf

That is exactly what I was looking for.
Your code worked perfectly.
Thank you so much!

Cheers

Yajima

On Thu, Aug 4, 2011 at 12:33 AM, Ralf Philipp Denzer <Ralf.Denzer_at_[hidden]>wrote:

> **
> Hello Yajima,
>
> you can do something like
>
> ublas::vector<ublas::matrix<double> > A;
>
> I.e.:
>
> ublas::vector<dmatrix> A;
> A.resize(10);   // vector containing 10 ublas::matrices
>
> for( int i=0;i<10;i++){
>   dmatrix b(10,10);
>   set values to b;
>
>   // set the correct size of matrix A(i)
>   A(i).resize(b.size1(), b.size2());
>   A(i) =b;
> }
>
> That should work ... (not tested)
>
> You can use also:
> std::vector<ublas::matrix<double> > A;
> or
> std::map<int, ublas::matrix<double> > A;
> or other containers ...
> Depends what you prefer ...
>
> Bye
>
> Ralf
>
>
>
>
>
>
> On 08/04/2011 01:03 AM, Masanao Yajima wrote:
>
> Hi List
>
>  Is there away to create a "set" of ublas matrix.
>  (by set I mean it in the most abstract way)
>
>  I would like to create bunch of matrix<double> and store it in some form
> of a data structure
> then retrieve them by an index and use it as a matrix<double>.
>
>  Here is a vague pseudo code for what I would like to do
>
>  something A;
> for( int i=0;i<10;i++){
>   dmatrix b(10,10);
>   set values to b;
>   A(i) =b;
> }
>
>  //then use it as
>
>  for( int i=0;i<10;i++){
>   dmatrix c = A(i);
>   do calculation with c
> }
>
>  Or if you have better way to do something similar, I'd appreciate your
> input.
>
>  Thank you for your help.
>
>  Cheers
> Yajima
>
>
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-- 
Masanao Yajima