Question

用matlab绘制z=x^y-y^x的图形来比较e^pi,pi^e大小（能附加图形么？

Answer 1

>> e = exp(1);>> [x,y] = meshgrid(0:pi/25:pi);>> z = x.^y;>> mesh(x,y,z)>> hold on >> plot3(e,pi,e^pi,'ro','linewidth',4)>> plot3(pi,e,pi^e,'bo','linewidth',4)>> text(e,pi,e^pi,'e^π')>> text(pi,e,pi^e,'π^e')