Input

• D - Vector containing the diagonal for the matrix being factored.

• U - Vector containing the first upper subdiagonal for the matrix being factored.

• L - Vector containing the first lower subdiagonal for the matrix being factored.

• factors - Pointer to an internal structure that holds the factorization results.

• B - The right-hand side of the tridiagonal system to be solved.

• axis_d - When D, U, and L are one-dimensional, axis_d must be 0 (C/C++ programs) or 1 (F77/F90 programs). For multidimensional arrays, axis_d specifies the axis along which factorization was carried out.

• row_b - Indicates the row axis of the right-hand side array, B. The value of row_b depends on the following:

  • When B is two-dimensional and its sides are n x nrhs, row_b is 0 (C/C++) or 1 (F77/F90).

  • When B is two-dimensional and its sides are nrhs x n, row_b is 1 (C/C++) or 2 (F77/F90).

  • When B has more than two dimensions, row_b identifies the side of B with an extent of n. For C/C++ programs, the row_b value is zero-based and for F77/F90 programs, it is one-based.

  • col_b - Indicates the column axis of the right-hand side array, B that has an extent of nrhs. The value of col_b is determined as follows:

    • When B is two-dimensional and its sides are n x nrhs, col_b is 1 (C/C++) or 2 (F77/F90).

    • When B is two-dimensional and its sides are nrhs x n, col_b is 0 (C/C++) or 1 (F77/F90).

    • When B has more than two dimensions, col_b identifies the side of B with an extent of nhrs. For C/C++ programs, the col_b value is zero-based and for F77/F90 programs, it is one-based.