选主元的Doolittle分解法程序

#include#include#include#definen3intmain(){inti,j,k,row,v,t;intM[n];floatm,r,max0,max1;floata[n][n],b[n],s[n],l[n][n],u[n][n],x[n],y[n];a[0][0]=0.5,a[0][1]=1.1,a[0][2]=3.1;a[1][0]=5.0,a[1][1]=0.96,a[1][2]=6.5;a[2][0]=2.0,a[2][1]=4.5,a[2][2]=0.36;b[0]=6