[IPOL discuss] use of Eigen for PCA/SVD computation in demo blm_color_dimensional_filtering

[José Luis Lisani]

Thank you Enric,
I'll try your code

Best,
José Luis


El 23/05/2011 13:05, eml escribió:
> 2011/5/20 José Luis Lisani<joseluis.lisani at uib.es>:
>> I spent two days trying to isolate the SVD functions that I needed but
>> I was unable to do it (too many dependencies between the source codes
>> and on global variables that were set during the GSL installation process).
> ouch!  You should have asked me to prove my claims, instead instead of
> losing that much time :)
>
> I you are still interested, I've isolated the SVD function of GSL.
> Besides the file "svd.c", you needed to copy the wrapper around cblas
> consisting of the "gsl_vector_*" and "gsl_matrix_*" functions.  It's
> better to ignore the GSL makefiles and copy the code directly.  In the
> attached zip  file you can see the code, together with an example
> program that computes a singular value decomposition.
>
> regards,
> enric