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LA_GTSVX computes the solution to a real or complex linear system of equations of the form $AX = B$, $A^T X = B$ or $A^H X = B$, where $A$ is a square tridiagonal matrix and $X$ and $B$ are rectangular matrices or vectors.
LA_GTSVX can also optionally estimate the condition number of $A$ and compute error bounds.

Susan Blackford 2001-08-19