dpttrs(3) on Linux
The text 3b2f80638068, as Debian 1.3 (Bo) shipped it.
solve a system of linear equations A * X = B with a symmetric positive definite tridiagonal matrix A using the factorization A = L*D*L**T or A = U**T*D*U computed by DPTTRF
The text 3b2f80638068, as Debian 1.3 (Bo) shipped it.
solve a system of linear equations A * X = B with a symmetric positive definite tridiagonal matrix A using the factorization A = L*D*L**T or A = U**T*D*U computed by DPTTRF