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on 6 Nov 2023
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drawframe(1);
Write your drawframe function below
function drawframe(f)
Nmax = f/2;
x = linspace(-1,1,21);
y = linspace(-1,1,21);
[X,Y]=meshgrid(x,y);
z = zeros([size(X),round(Nmax)+1]);
z(:,:,1) = 1;
z(:,:,2) = (0.5*X)-Y.^2;
for n = 3:round(Nmax)+1
z(:,:,n) = (2*n*X.*Y.*z(:,:,n-1)-((2*n)+1)*z(:,:,n-2))./(2*n.^2);
end
surf(X,Y,z(:,:,round(Nmax)+1))
axis('off')
grid off
end
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