Introduction This is the fourth article in an occasional series of articles about Octave, a free open-source numerical programming environment that is mostly compatible with MATLAB.  This series began with the article Octave: An Alternative to the High Cost of MATLAB.  This article discusses plotting and graphics in Octave.  Octave has extensive plotting and graphics features including two-dimensional plots, histograms, three dimensional plots, and a range of specialized plots and charts such as pie charts.  This article gives an overview of the key plotting and graphics features of Octave, discusses a few gotchas, and gives several illustrative examples. Plotting Octave … Continue reading Plotting and Graphics in Octave