Intel® Math Kernel Library

Linear Equations

ScaLAPACK supports routines for the systems of equations with the following types of matrices:

  • general

  • general banded

  • general diagonally dominant-like banded (including general tridiagonal)

p?pttrs

Solves a system of linear equations with a symmetric (Hermitian) positive-definite tridiagonal distributed matrix using the factorization computed by p?pttrf.

p?poequ

Computes row and column scaling factors intended to equilibrate a symmetric (Hermitian) positive definite distributed matrix and reduce its condition number.

p?unmtr

Multiplies a general matrix by the unitary transformation matrix from a reduction to tridiagonal form determined by p?hetrd.

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