public GEPIndividual(int headLen, FunctionSet functionSet, double minVal, double maxVal, int optimizeGenerationCount)
{
this.functionSet = functionSet;
this.optimizeGenerationCount = optimizeGenerationCount;
// 计算尾部长度
int tailLen = headLen * (functionSet.MaxParamCount - 1) + 1;
// 随机生成头部
gene.Add(functionSet.RandomNonterminator());
for (int i = 1; i < headLen; ++i)
{
gene.Add(functionSet.RandomFunction());
}
// 随机生成尾部
for (int i = 0; i < tailLen; ++i)
{
gene.Add(functionSet.RandomTerminator());
}
// 随机生成系数
for (int i = 0; i < tailLen; ++i)
{
coeff.Add(RandomUtil.U(minVal, maxVal));
}
}
public void Mutate()
{
double p = 0.1;
int headLen = (gene.Count - 1) / functionSet.MaxParamCount;
for (int i = 0; i < headLen; ++i)
{
if (RandomUtil.Test(p))
{
gene[i] = functionSet.RandomFunction();
}
}
for (int i = headLen; i < gene.Count; ++i)
{
if (RandomUtil.Test(p))
{
gene[i] = functionSet.RandomTerminator();
}
}
}