MATLAB has a better interface compared to Octave. Matlab is far better than Octave with respect to user experience, functionality, reliability, … But if Matlab can’t be afforded then Octave is a good alternate,I would say.What is Octave programming language?
Octave, the language. The Octave language is an interpreted programming language. It is a structured programming language (similar to C) and supports many common C standard library functions, and also certain UNIX system calls and functions. However, it does not support passing arguments by reference.What is GNU Octave?
gnu.org/software/octave/. GNU Octave is software featuring a high-level programming language, primarily intended for numerical computations. Octave helps in solving linear and nonlinear problems numerically, and for performing other numerical experiments using a language that is mostly compatible with MATLAB.