?? mprove.c
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#define NRANSI#include "nrutil.h"void mprove(float **a, float **alud, int n, int indx[], float b[], float x[]){ void lubksb(float **a, int n, int *indx, float b[]); int j,i; double sdp; float *r; r=vector(1,n); for (i=1;i<=n;i++) { sdp = -b[i]; for (j=1;j<=n;j++) sdp += a[i][j]*x[j]; r[i]=sdp; } lubksb(alud,n,indx,r); for (i=1;i<=n;i++) x[i] -= r[i]; free_vector(r,1,n);}#undef NRANSI?? 快捷鍵說明
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