c83, a Python code which carries out some basic linear algebra operations on C83 matrices (complex tridiagonal format, compressed to an Mx3 array of the three diagonals).
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c83 is available in a Python version.
cyclic_reduction, a Python code which solves a real (R83) or complex (C83) tridiagonal linear system using cyclic reduction.
linear_algebra, a Python code which carries out various linear algebra operations for matrices stored in a variety of formats.
r83, a Python code which carries out some basic linear algebra operations on R83 matrices (real tridiagonal format, compressed to an 3xN array of the three diagonals).