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  1. bransford

    Large Sparse Matrix Storage

    Thank you for responding. I ended up resolving the issue several days ago by that method. The program is sufficiently fast now, requiring about 45 minutes to setup and solve about 25 sets of 120,000 linear algebraic equations. The memory requirement is also reasonable.
  2. bransford

    Large Sparse Matrix Storage

    I need to efficiently store the indices of nonzero elements in very large sparse matrix in a F90/95 program. Every row of the matrix has at least one nonzero but the number of nonzeros in any given row varies. The nonzero indices are found one at a time by looping through an array. I don't want...

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