Oak Leaf

on 29 Oct 2021

% Oak Leaf

% See https://blogs.scientificamerican.com/guest-blog/how-to-draw-with-math/

% and also "leaf pile" on File Exchange

t=0:0.01:pi;

x=1/100*(cos(t)).^9.*(cos(5*t)).^10+1/4*sin(2*t).*(1-1/2*(sin(10*t)).^2).*(1-(cos(t).*cos(3*t)).^8);

y=sin(t).*(1-1/5*(sin(10*t)).^2.*(1/2+(sin(2*t)).^2));

y=y-1/2;

z=0*t;

fill(x+rand*2,y+rand*2,hypot(x,y*.5),Linew=2);

axis equal off

colormap autumn

caxis([.1 .25])