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random walk
on 14 Oct 2021
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figure('color','k')
x=f(0,10,1);
y=f(0,10,9);
plot(x,y,'-','Color','y')
axis off
function z=f(sz,ez,s)
N = 1e5;
rng(s);
dz = randn(1,N-1)*1;
dz = dz + (ez - sz)/(N-1);
z = cumsum([sz,dz]);
end