Graph plotting of f(x,y)=e^x+e^y using ezsurf

clear
clc
syms x y
f=(e^x+e^y)
ezsurf(f)
colormap cool

Answer 1

[KSSV]

clear
clc
syms x y
f=(exp(x)+exp(y))

f = 

ezsurf(f)
colormap cool