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Re: How to use mldivide for block sparse matrices on linear-algebra pack


From: Tatsuro MATSUOKA
Subject: Re: How to use mldivide for block sparse matrices on linear-algebra package
Date: Sat, 18 Jun 2016 09:28:26 +0900 (JST)

----- Original Message -----

> From: Colin Macdonald 
> To: help-octave
> Cc: 
> Date: 2016/6/18, Sat 01:50
> Subject: Re: How to use mldivide for block sparse matrices on linear-algebra 
> package
> 
> On 17/06/16 03:07, Tatsuro MATSUOKA wrote:
>>  help mldivide
> 
> help @blksparse/mldivide
> help @kronprod/mldivide
> 
> Sorry if that is not a helpful response,
> Colin


 Thanks for your help

> help @blksparse/mldivide
> help @kronprod/mldivide


give us information

However,

>> help @blksparse/mldivide
'@blksparse/mldivide' is the file 
C:\Octave\Octave-4.0.2-x64\share\octave\packages\linear-a
address@hidden

 -- Function File: mldivide (X, Y)
     Performs a left division with a block sparse matrix.  If X is a
     block sparse matrix, it must be either diagonal or triangular, and
     Y must be full.  If X is built-in sparse or full, Y is converted
     accordingly, then the built-in division is used.


*****************
If linear-algebra is loaded and X is triangular, is mldivide (X, Y) from 
linear-algebra 
used instead built-in  mldivide?
If it is the case, can I confirm it?

Tatsuro

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