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#include
main()
{float x,x0,f,f1;
x=1.5;
do
{x0=x;
f=x0*x0*(x0+4)-10;
f1=x0*(3*x0+8); /* fµÄµ¼Êý£¬¼´ËüµÄÇÐÏß */
x=x0-f/f1; /* ÇÐÏßÓëxÖáµÄ½»µã */
}
while(fabs(x-x0)>=1e-5);
printf("The root is %8.7f\n",x);
}

[ Last edited by gjliu on 2009-6-3 at 11:21 ]
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