Question

Matlab画函数图 z=1+2*x+3*y+4*(x^2)+5*(y^2)+6*x*y; x=1:4;y=1:5; 能

Answer 1

x=1:4;y=1:5;[x,y]=meshgrid(x,y);z=1+2*x+3*y+4*(x.^2)+5*(y.^2)+6*x.*y; surf(x,y,z)