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CULA • View topic - culaSgesvd

culaSgesvd

General discussion for CULA. Use this forum for questions, examples, feedback, and feature requests.

culaSgesvd

Postby siheng303 » Mon Sep 06, 2010 6:07 am

The GESVD functionality is implemented by culaSgesvd

GESVD computes the singular value decomposition (SVD) of a real M-by-N matrix A, The SVD is written
A = U * SIGMA * transpose(V)
where U and V dimension are m*m and n*n respectively. and S dimension is m*n,
but the dimension of S parameters in culaSgesvd is (min(m,n));
1、how can i use the culaSgesvd to get dimension m*n of parameters S.
2、culaSgesvd use the hostmemory, culaDeviceSgesvd use the Device Memory.
The different fo culaSgesvd and cula DeviceSgesvd is that the data transfer from device to host?
siheng303
 
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Re: culaSgesvd

Postby kyle » Tue Sep 07, 2010 11:50 am

We recently did a describing how to call GESVD within MATLAB. Perhaps some of the code there can assist you with the parameter sizes needed by this routine.
kyle
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