r8row, a Fortran90 code which contains utility routines for R8ROW's, that is, real MxN arrays, considered as M row vectors, each of length N. The data may be thought of as a matrix of multiple rows, and many operations will be carried out rowwise.
The information on this web page is distributed under the MIT license.
r8row is available in a C version and a C++ version and a Fortran90 version and a MATLAB version and an Octave version and a Python version.
linear_algebra, Fortran90 codes which carry out various linear algebra operations for matrices stored in a variety of formats.