% 帕斯卡三角形
% 杨辉三角, 又名 贾宪三角形
- global N;
- N=12;
- paint();
- ----------------------------------------------------------
- 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('=',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
来源: http://www.bubuko.com/infodetail-2808293.html