dtbtrs(3) on Linux
The text b3e05b4ecfa6, as Debian 1.3 (Bo) shipped it.
solve a triangular system of the form A * X = B or A**T * X = B,
The text b3e05b4ecfa6, as Debian 1.3 (Bo) shipped it.
solve a triangular system of the form A * X = B or A**T * X = B,