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Surface generation with an external impact at particular point

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Muhammad Mubashar saeed
Muhammad Mubashar saeed on 25 May 2021
Answered: darova on 26 May 2021
I want to generate a surface using this code at a particular value of x and y, z will have a specific value otherwise it will be an array of zeros.
[t,r] = meshgrid(0:10:360,0:0.2:5);
[x,y] = pol2cart(t*pi/180,r);
if x=0:1;y=0:1;
z=-90*x.^2*y.^2;
else
z=zeros(size(y));
end
surf(x,y,z)

Answers (1)

darova
darova on 26 May 2021
See this
[t,r] = meshgrid(0:10:360,0:0.2:5);
[x,y] = pol2cart(t*pi/180,r);
z = -90*x.^2.*y.^2; % remember about dot (.*)
ind = (0<x&x<1) & (0<y&y<1);
z(~ind) = 0; % assign zeros
surf(x,y,z)

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