怎么用matlab画这两张图，条件在图中
答案:1 悬赏:20
解决时间 2021-01-12 06:12
- 提问者网友：留有余香
- 2021-01-11 12:12
怎么用matlab画这两张图，条件在图中
最佳答案
- 二级知识专家网友：零点过十分
- 2021-01-11 13:42
这个图显然是按s=L=10画出来的.
clear all; clc; close all;
f = @(x,y)(250*7*(x.^2+y.^2+7^2).^(-3/2));
[x y]=meshgrid(10:0.3:20,0:0.3:10);
[m n]=size(x);
g1 = zeros(m,n);
g2 = g1;
s = 10;
L = 10;
for k = 0:3
g1 = g1 + f(x-k*s,y)+f(x-k*s,y-L);
g2 = g2 + f(x-k*s,y)+f(x+L/2-k*s,y-L);
end
figure;surf(x,y,g1);xlabel('x');ylabel('y');
figure;contour(x,y,g1,20);
figure;surf(x,y,g2);xlabel('x');ylabel('y');
figure;contour(x,y,g2,20);
clear all; clc; close all;
f = @(x,y)(250*7*(x.^2+y.^2+7^2).^(-3/2));
[x y]=meshgrid(10:0.3:20,0:0.3:10);
[m n]=size(x);
g1 = zeros(m,n);
g2 = g1;
s = 10;
L = 10;
for k = 0:3
g1 = g1 + f(x-k*s,y)+f(x-k*s,y-L);
g2 = g2 + f(x-k*s,y)+f(x+L/2-k*s,y-L);
end
figure;surf(x,y,g1);xlabel('x');ylabel('y');
figure;contour(x,y,g1,20);
figure;surf(x,y,g2);xlabel('x');ylabel('y');
figure;contour(x,y,g2,20);
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