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Re: [Help-gsl] creating a submatrix from a matrix in a loop

From: Brian Gough
Subject: Re: [Help-gsl] creating a submatrix from a matrix in a loop
Date: Fri, 19 Dec 2008 17:25:37 +0000
User-agent: Wanderlust/2.14.0 (Africa) Emacs/22.2 Mule/5.0 (SAKAKI)

At Tue, 16 Dec 2008 13:00:20 +0100,
George Kalema wrote:
> Brian, many thanks for your endavor to help. However, compiling my code
> below returns error C2664: 'gsl_matrix_submatrix' : cannot convert parameter
> 1 from 'double *' to 'gsl_matrix *' Types pointed to are unrelated;
> conversion requires reinterpret_cast, C-style cast or function-style cast.
> Please note that parameter 1 (matrix X) is just read in (from SAS).

If you need to convert from an array of doubles to a matrix or vector,
there are several functions available e.g. gsl_matrix_view_array --
see the vectors and matrices chapter of the manual for details.

Brian Gough

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