The plot backend is GNU Plot which allows very comprehensive plots like Matlab, not only to a window but also to eps, pdf, png and even to the terminal as ASCII plot. Scilab has some syntactic differences and Freemat has not implemented the same amount of commands. Octave is open source and replicates the Matlab language and syntax best and the differences between Octave and Matlab are documented very well ( ). From my point of view Octave is the best replacement of Matlab. I am using GNU Octave ( ) in the context of model order reduction of large-scale nonlinear control systems. The PNG files generated by gnuplot are small so the fastest way is to store them as sttic images in a directory tree and the web pages are generated by a simple PHP script. Transfer and program invocation is written in a set of bash and perl scripts, plots are generated by gnuplot and the web site is built upon Apache with PHP. Algorithms of mathematical gostics were programmed by me in Octave. Selected results are automatically trasmitted to a central databes located 1500 km apart. The results are stored in a shared repository so that colleagues can access them and selected results are plotted and made online on the web site. I do some reformatting and processing by methods of mathematical gnostics. The measuring instrument is about 100 km apart. I even use it for "near real time" data analysis. I develop programs on Linux and some colleagues use them on Windows.
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