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## Re: deprecated functions

**From**: |
John W. Eaton |

**Subject**: |
Re: deprecated functions |

**Date**: |
Wed, 4 Mar 2009 14:59:51 -0500 |

On 4-Mar-2009, Jaroslav Hajek wrote:
| I agree it would be more useful, as they really are special kind of
| sparse matrices.
| But it would break backward and Matlab compatibility in a fairly
| invasive way (infinitely more than the recently discussed NaN issues),
| so I think a wide agreement is really necessary here.
OK, if we don't make diag x sparse matrices retain the sparsity, then
what method do we have that allows row or column scaling of a sparse
matrix (for example) which preserves sparsity? The modified version
of dmult did that, correct? I think that's what Jason was complaining
about (correct me if I'm wrong).
jwe

**Re: Diagonal v. sparse matrices [was Re: deprecated functions]**, *(continued)*
**Re: Diagonal v. sparse matrices [was Re: deprecated functions]**, *John W. Eaton*, `2009/03/04`
**Re: Diagonal v. sparse matrices [was Re: deprecated functions]**, *Jaroslav Hajek*, `2009/03/05`
**Re: Diagonal v. sparse matrices [was Re: deprecated functions]**, *John W. Eaton*, `2009/03/05`
**Re: Diagonal v. sparse matrices [was Re: deprecated functions]**, *Jaroslav Hajek*, `2009/03/04`
**Re: Diagonal v. sparse matrices**, *Jason Riedy*, `2009/03/04`
**Re: Diagonal v. sparse matrices**, *Jaroslav Hajek*, `2009/03/04`
**Re: Diagonal v. sparse matrices**, *Jaroslav Hajek*, `2009/03/04`
**Re: deprecated functions**, *Jaroslav Hajek*, `2009/03/04`
**Re: deprecated functions**, *John W. Eaton*, `2009/03/04`
**Re: deprecated functions**, *Jaroslav Hajek*, `2009/03/04`
**Re: deprecated functions**,
*John W. Eaton* **<=**
**Re: deprecated functions**, *Jaroslav Hajek*, `2009/03/04`
**Re: deprecated functions**, *John W. Eaton*, `2009/03/04`
**Re: deprecated functions**, *Jason Riedy*, `2009/03/04`
**Re: deprecated functions**, *Jaroslav Hajek*, `2009/03/04`
**Re: deprecated functions**, *Jason Riedy*, `2009/03/04`
**Re: deprecated functions**, *Jaroslav Hajek*, `2009/03/05`
**Re: deprecated functions**, *John W. Eaton*, `2009/03/05`
**Re: deprecated functions**, *Jaroslav Hajek*, `2009/03/05`
**Re: deprecated functions**, *Jason Riedy*, `2009/03/05`
**Re: deprecated functions**, *Jaroslav Hajek*, `2009/03/05`