private void InitTheta()
{
double[] arr = new double[this.popsize];
for (int i = 0; i < this.popsize; i++)
{
double min = Double.MaxValue;
for (int j = 0; j < popsize; j++)
{
if (i == j)
{
continue;
}
double tp = Tool.GetAngle(weights[i], weights[j]);
if (tp < min)
{
min = tp;
}
}
arr[i] = min;
}
thetam = Tool.ArrayMax(arr);
}