Julia Fractal 6 turtle shell

Ciro Bermudez on 20 Oct 2021
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n=500;
[R,I]=meshgrid(linspace(-2, 2, n));
c=-1.3+0.005i;
It=zeros(n, n);
m=colormap([hot; 0 1 0.5]);
for ind = 1: n*n
z=R(ind)+1i*I(ind);
it=0;
while abs(z)<2 && it<=size(m, 1) && ~isinf(abs(z))
z=cosh(z^2.6)./(pi+log(abs(z)))-0.50;
it = it + 1;
end
It(ind) = it;
end
imagesc(uint8(It-1))
axis equal off

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