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Re: About diagonal matrices
From: |
John W. Eaton |
Subject: |
Re: About diagonal matrices |
Date: |
Sun, 22 Feb 2009 12:31:06 -0500 |
On 22-Feb-2009, Jaroslav Hajek wrote:
| > * There is a function to coerce a full matrix to a diagonal matrix.
| > It should require that all off-diagonal elements are numerically
| > zero. This is not the same as the current diag function.
|
| I don't understand this point? Why is such a function needed?
Currently you can do things like
sparse (x)
to create a sparse matrix from X. It seemed to me that it would be
useful to be able to do the same for diagonal matrices. But maybe it
is not as useful as I was originally thinking.
jwe
- Re: About diagonal matrices, (continued)
- Re: About diagonal matrices, Jaroslav Hajek, 2009/02/22
- Re: About diagonal matrices, Jaroslav Hajek, 2009/02/22
- Re: About diagonal matrices, Søren Hauberg, 2009/02/22
- Re: About diagonal matrices, Jaroslav Hajek, 2009/02/22
- Re: About diagonal matrices, Jaroslav Hajek, 2009/02/22
- Re: About diagonal matrices, John W. Eaton, 2009/02/22
- Re: About diagonal matrices, Jaroslav Hajek, 2009/02/22
- Re: About diagonal matrices, Jaroslav Hajek, 2009/02/22
- Re: About diagonal matrices,
John W. Eaton <=
- Re: About diagonal matrices, John W. Eaton, 2009/02/22
- Re: About diagonal matrices, Jaroslav Hajek, 2009/02/22
- Re: About diagonal matrices, dbateman, 2009/02/24
- Re: About diagonal matrices, dbateman, 2009/02/24
- Re: About diagonal matrices, Jaroslav Hajek, 2009/02/24
- Re: About diagonal matrices, Jaroslav Hajek, 2009/02/24
- Re: About diagonal matrices, Jaroslav Hajek, 2009/02/21
- Re: About diagonal matrices, Søren Hauberg, 2009/02/21
- Re: About diagonal matrices, Jaroslav Hajek, 2009/02/21
- Re: About diagonal matrices, John W. Eaton, 2009/02/21