Ciao, io ti consiglio scilab, è tipo atlab di cui sicuramente hai sentito
parlare, forse piu' potente ancora.
Il link è http://www.scilab.org/
Dal sito:
Scilab is a scientific software package for numerical computations in a
user-friendly environment. It features:
* Elaborate data structures (polynomial, rational and string matrices,
lists, multivariable linear systems,...).
* Sophisticated interpreter and programming language with Matlab-like
syntax.
* Hundreds of built-in math functions (new primitives can easily be
added).
* Stunning graphics (2d, 3d, animation).
* Open structure (easy interfacing with Fortran and C via online dynamic
link).
* Many built-in libraries:
* Linear Algebra (including sparse matrices, Kronecker form, ordered
Schur,...).
* Control (Classical, LQG, H-infinity,...).
* Package for LMI (Linear Matrix Inequalities) optimization.
* Signal processing.
* Simulation (various ode's, dassl,...).
* Optimization (differentiable and non-differentiable, LQ solver).
* Scicos, an interactive environment for modeling and simulation of
dynamical systems.
* Metanet (network analysis and optimization).
* Symbolic capabilities through Maple interface.
* Parallel Scilab.
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Ciao
Stefano
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