distance.txt

来自「计算欧几里德距离C语言源代码,次源码经测试可有效运行,源码简单易懂」· 文本 代码 · 共 50 行

Everyone is talking about "closeness" to me. I mean Judy and Monica who in Friends. People care about it because it is scarce, although we hang out with others a lot. But, just feel others far away, and away.
The distance, is not determined by how much you are similar/close in many aspects, however, by the dimension on which you are farthest. Always, you feel lonely, feel nobody around, merely because there is one demension existing, on which you are distant to the other, difficult and even impossible to get close ever. 
You are sharing a lot, which only fool you by letting you think we are matching, we are understanding each other...however, in fact, you are far away to each other. Only one dimension, not requiring too much, brutally enough, isolates you for ever.
Some distance determinates that you have never possbilities.


计算欧几里德距离C语言源代码：
设xn和yn分别是n维度量空间中的点，则其欧几里德距离定义为：
d(x,y)=(∑(xi-yi)2)1/2
当n=2时，则为平面上两点的距离，当n=3时，则为三维空间中两点的距离。 





＃include <math.h>
double fun(double p[ ],double q[ ],int n)
{
   int i;
   double result=0.0;
   for(i=0;i<n;i++)
      result+=(p[i]-q[i])*(p[i]-q[i]);
   return sqrt(result);
}
void output(double array[ ],int n)
{
   int i;
   for(i=0;i<n;i++)
      printf("%14lf",array[i]);
}
void main( )
{
   double x[5]={1.2,1.5,3.4,5.8,7.0};
   double y[5]={3.1,4.2,5.3,6.4,8.9};
   double result;
   result=fun(x,y,5);
   printf("\nThe first point is:\n");
   output(x,5);
   printf("\nThe second point is:\n");
   output(y,5);
   printf("\nThe distance is:%14lf\n",result);
}



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代码直接粘帖到编译器经过编译即可运行，可以根据自己的情况对数组源重新赋值
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