Some of this functionality might be available by accessing CHOLMOD types 
and functions, but they aren't fully exported, documented, etc. Last time I 
tried to use these it looked like there were some memory leaks as well.


On Sunday, April 27, 2014 12:50:47 PM UTC-7, Andreas Noack Jensen wrote:
>
> This is not possible right now, but it is on my todo list to generalise 
> the Hermitian type to allow e.g. sparse matrices.
>
>
> 2014-04-27 21:42 GMT+02:00 Dominique Orban <dominiq...@gmail.com<javascript:>
> >:
>
>> (I hope this isn't a RTFM. I saw something in the manual about hermitian 
>> matrices related to Lapack, so it only seemed to be dense.)
>>
>> Is there provision for hermitian *sparse* matrices in Julia, in the 
>> sense that if A is "declared" hermitian, only its lower (or upper) triangle 
>> is stored and A*x does the right thing? That's always been missing from 
>> Matlab, and would be an important feature to have. In smooth optimization, 
>> most operators end up being symmetric (e.g., Hessians, or KKT matrices).
>>
>> Thanks.
>>
>
>
>
> -- 
> Med venlig hilsen
>
> Andreas Noack Jensen
>  

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