clear all; clf; x = 0:0.01:6; h1 = plot (x, sin(x)) hold on h2 = plot (x, cos(x)) h3 = plot (x, 0.01*x.^2) h4 = plot (x, sqrt(x)) h5 = plot (x, 0.01*cosh(x)) set(h1,'color','r') set(h2,'color','g') set(h3,'color','b') set(h4,'color','m') set(h5,'color','c') hl = legend([h1,h2,h3,h4,h5],'sin red','cos green','x^2 blue','sqrt magenta','cosh cyan');