The best open source alternative to MATLAB is GNU Octave. If that doesn't suit you, our users have ranked more than 50 alternatives to MATLAB and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to MATLAB are Scilab, R (programming language), SciPy and Julia.
Designed for scientific computation, this language and editor provides low-cost abstraction and safety checks, focusing on matrix operations with syntax parity to scientific papers. It offers math rendering, real-time dimension checks, and intuitive user experience.
Axiom is a general purpose Computer Algebra system. It is useful for research and development of mathematical algorithms. It defines a strongly typed, mathematically correct type hierarchy. It has a programming language and a built-in compiler.
Java based and open sourced version of matlab and octave
Getting more and more compatible over time.
GAP is a system for computational discrete algebra, with particular emphasis on Computational Group Theory. GAP provides a programming language, a library of thousands of functions implementing algebraic algorithms written in the GAP language as well as large data libraries of...
StochSD (Stochastic System Dynamics) is a System Dynamics simulation software with focus on stochastics. It is a form of Continuous System Simulation (CSS) that in addition to model and simulate continuous flows between compartments, can handle transitions of discrete entities.
KAlgebra is a mathematical graph calculator included in the KDE education package. While it is based on the MathML content markup language, knowledge of MathML is not required for use. The calculator includes numerical, logical, symbolic, and analytical functions, and can plot...
Reinteract is a system for interactive experimentation with Python. Reinteract worksheets contain Python code combined with the results of that code, formatted as text or graphical plots. Youu can go back and edit previously entered statements, and the results will update.
Singular is an open source computer algebra system for polynomial computations, with special emphasis on commutative and non-commutative algebra, algebraic geometry, and singularity theory.
A simple plotter and numerical solver, which can plot CSV style plain text files with numerical data separated by whitespace, as well can numerically solve equations and ODEs to generate data and plot them for studying dynamical systems.
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