Re: [Boost-Users] confused by matrix assignment

From: jhr.walter_at_[hidden]
Date: 2003-06-09 13:46:20

Hi Julian,

you wrote:

> I'm sorry I am new to this and also not up on the math notation you 
> guys are using.  I am confused by the definitions of slices and 
> strides.  I am trying to perform a reasonably simple operation of 
> e.g. assigning a vector v(2) to a (sub)matrix m(3,3).  In matlab 
> notation, for instance:
> m =
>      0     1     2
>      3     4     5
>      6     7     8
> v =
>     15    16
> 
> m(2, 1:2) = v
> Resulting in 
> m =
> 
>      0     1     2
>     15    16     5
>      6     7     8
>
> What is the best way to do this with uBLAS?

You didn't like Kresimir Fresl's explanation at

http://groups.yahoo.com/group/Boost-Users/message/4209

did you?

Unsure-what-your-real-problem-might-be-ly y'rs,

Joerg