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  ÓÉ(a x b) mod c=((a mod c) x b) mod c.
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   b=at2^t+at-1 2^t-1+……a02^0. (ai=[0,1]).
 ÕâÑùÎÒÃÇÓÉ a^b mod c=(a^(at2^t+at-12^t-1+…a02^0)mod c.
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long long BigMod(long long a,long long p,long long m)  //a^p%m
{
    if (a==0 || m==1)
        return 0;
    if (p==0)
        return 1;
    if (p%2)
        return ((a%m)*BigMod(a,p-1,m))%m;
    long long tmp=BigMod(a,p/2,m);
    return (tmp*tmp)%m;
}


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    Library files: C:\Program Files\MATLAB\R2009a\extern\lib
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int svd(int m,int n,int withu,int withv,double eps,double tol,
double *a, double *q, double *u, double *v, double *vt)
{

int i,j,k,l,l1,iter,retval;
double c,f,g,h,s,x,y,z;
double *e;

e = (double *)calloc(n,sizeof(double));

retval = 0;
/* Cop ......

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