close all; x = 0:0.01:pi; y = 0.55 * sin (x); plot(x,y); diary on axis equal axis image im = get (gca, {'dataaspectratio', 'dataaspectratiomode', 'plotboxaspectratio', 'plotboxaspectratiomode'}) axis square square = get (gca, {'dataaspectratio', 'dataaspectratiomode', 'plotboxaspectratio', 'plotboxaspectratiomode'}) diary off