function []=paint()
global N;
N=12;
for n=0:N;
for r=0:n;
if(r==0)
for i=0:N-n
fprintf(‘ ‘);
end
else
fprintf(‘ ‘);
end
fprintf(‘%3d‘,combi( n, r));
end
fprintf(‘\n‘);
end
-------------------------------------------------
function y=combi( n, r)
p=1;
y=1;
for i=1:r;
p=p*(n-i+1)/i;
y= p;
end
end
