Octave Rlab SciLab
Interface text text gui
Linear algebra
LAPACK X X
Sparse Matricies X X
Decomposition X X X
Pencils X
Polynomials X
Graph Theory X
Solvers
Linear Ineq X
Nonlinear X X
ODE X X X
Diff-Alg Eq X X
PDE
LP X X
QP opt X
NonLin P opt X
OLS X example
Control Theory
Design X X
Bode Plot X X
Riccati X X
Sylvester/Lyapunov X X X
Dynamic Simulation X
Signal Processing
filter design X X
fft X X X
audio X
Statistics
simple X X
Graphics gnuplot plplot
2D X X X
3D X X X
histograms X X
Animation X
Programming X X X
Documentation
On Line Help X X X
Reference X X
Tutorial X X X