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Type: Posts; User: kll94530136

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  1. May I ask for how the...

    May I ask for how the IMSL_RETURN_SPARSE_LU_FACTOR and IMSL_SUPPLY_SPARSE_LU_FACTOR and IMSL_SOLVE_ONLY work?

    Is the IMSL_RETURN_SPARSE_LU_FACTOR solve for LU decompostiton of A matrix,and then...
  2. thanks a lot I have tried the method you...

    thanks a lot

    I have tried the method you mention, IMSL_SUPPLY_SPARSE_LU_FACTOR and IMSL_SOLVE_ONLY

    and I also used the
    imsl_d_lin_sol_gen for IMSL_INVERSE , &p_inva to solve the linear...
  3. how can I get the inverse matrix in the sparse format

    I want to solve the huge matrix of linear equations ,so I have to use the sparse matrix format to obtain my answers.

    Hence,I use the imsl_f_lin_sol_gen_coordinate to solve the A*x=b
    In order to...
  4. My matrix is very huge,just like A*x=B*b+C*c...

    My matrix is very huge,just like

    A*x=B*b+C*c
    [2110*2110][2110*1]=[2110*1000][1000*1]+[2110*2110][2110*1]

    and the matrix form is not banded
    so it can be solved for only sparse in...
  5. ask for C Numerical Libraries about matrix of multiply and subtraction

    may i ask for how to solve linear equation by using sparse matrix in IMSL C Numerical Libraries

    Mathematical formulas just like :
    A*x=B*b+C*c , solve...
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