public static double Var(double[] v)
{
double sum1 = 0;
for (int i = 0; i < v.Length; i++)
{
double temp = v[i] * v[i];
sum1 = sum1 + temp;
} double sum = 0;
foreach (double d in v)
{
sum = sum + d;
}
double var = sum1 / v.Length - (sum / v.Length) * (sum / v.Length);
return var;
}
好像不对
{
double sum1 = 0;
for (int i = 0; i < v.Length; i++)
{
double temp = v[i] * v[i];
sum1 = sum1 + temp;
} double sum = 0;
foreach (double d in v)
{
sum = sum + d;
}
double var = sum1 / v.Length - (sum / v.Length) * (sum / v.Length);
return var;
}
好像不对
怎么不对了?
对自己没信心赖!
对的啊!那点不对啊!~
是不是你命名不规范,就不对啊!哈哈