c++ Programming Glossary: nnz
C++ Memory Efficient Solution for Ax=b Linear Algebra System http://stackoverflow.com/questions/1242190/c-memory-efficient-solution-for-ax-b-linear-algebra-system int n int i row index int nz nonzero index int nnz 2 3 n 2 2 number of nonzeros int Ti row indices int Tj col indices.. Allocate memory for triplet form Ti malloc sizeof int nnz Tj malloc sizeof int nnz Tx malloc sizeof double nnz Allocate.. triplet form Ti malloc sizeof int nnz Tj malloc sizeof int nnz Tx malloc sizeof double nnz Allocate memory for compressed sparse..
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