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Re: GSL 2.0 roadmap (one man's view)
> tda in gsl_matrix struct is a bit of a mystery to me, what is it used for?
>From the manual [1]: "The physical row dimension tda, or trailing
dimension, specifies the size of a row of the matrix as laid out in
memory."
Say A is a (gsl_matrix *) and A->data[offset] is the matrix entry
A_{i,j}, then A->data[offset+A->tda] is the matrix entry A_{i+1,j}.
Note that both tda and size2 are necessary because our matrix A may be
a view of some larger matrix.
- Rhys
[1] http://www.gnu.org/software/gsl/manual/html_node/Matrices.html