From The Free On-line Dictionary of Computing (19 January 2023):
RLaB
A MATLAB-like matrix-oriented programming language/toolbox.
RLaB focusses on creating a good experimental environment (or
laboratory) in which to do matrix mathematics. Currently RLaB
has numeric scalars and matrices (real and complex), and
string scalars, and matrices. RLaB also contains a list
variable type, which is a heterogeneous associative array.
Version 0.95 includes an interpreter, libraries and
documentation. E-mail: Ian Searle <ians@eskimo.com>.
(ftp://evans.ee.adfa.oz.au). Requires GNUPLOT,
lib[IF]77.a (from f2c). Ported to many platforms including
Unix, OS/2, Amiga.
(1993-10-27)