拉丁超立方抽样
%code of Latin Hypercube Sampling%
%call S=lhs(m,dist,mu,sigma,lowb,upb)
%
%Input argument
%m: a scalar,the number of sample points
%dist: A row with distribution type flags of basic random variables;the
%value of the flag can be 1 (for uniform distribution, 2(for normal distribution), 3(for
1