Re: [Help-gsl] more than one submatrix of the same matrix?

[Brian Gough]

"Eduardo Zacarías B." writes:
 > gsl_matrix *secondRow = &gsl_matrix_submatrix(mat,1,0,1,mat->size2).matrix;

Hello,

Making a pointer to the return value of a function is not allowed in
C.  The return value is on the stack and will be overwritten.

You need to copy the return value (see the LU example in the Linear
Algebra chapter of the manual (2nd ed, p187)).

regards
-- 
Brian Gough

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