clf,x=0:0.02:1.6 y1=x.3;y2=x.(1/3) lot (x, yl, x, y2, linewidth, 2), hold on plot([-0.1,2],[0,0],’r',[0,0],[-1.5,1.5],’r) axis([-0.1,1.4,-0.1,1.2]) legend( x3', x1/3') 3指数函数a25 clf,x=0:0.02:1.6; y1=x.^3;y2=x.^(1/3); plot(x,y1,x,y2,'linewidth',2),hold on plot([-0.1,2],[0,0],'r',[0,0],[-1.5,1.5],'r') axis([-0.1,1.4,-0.1,1.2]); legend('x^3','x^1/3'); 3 指数函数