Question

用matlab求解f(x)=e^x1(4x1^2 2x2^2 4x1x2 2x1 1),x1 x

=0

Answer 1

程序如下，

clear;
x=-10:0.1:10;
y=-10:0.1:10;
[X,Y]=meshgrid(x,y);
>> Z = (4*X^2 + 2*Y^2 + 4*X*Y + 2*X)*exp(X);
>> mesh(X,Y,Z)