clear all;clc;x=input('x=');y=input('y=');f=x^2+sin(x*y)+2*y;fprintf('f(%f,%f)=%f\n',x,y,f);--------------运行结果:x=1y=3f(1.000000,3.000000)=7.141120
clear all;clc;x=input('请输入x:');y=input('请输入y:');fxy=x^2+sin(x*y)+2*y