void _cal(Matrix <double> i, int layIndex)
{
if (layIndex >= mNNlayers.Count)
{
return;
}
CNNLayer lay = mNNlayers[layIndex];
lay.cal(i);
layIndex++;
_cal(lay.mA, layIndex);
}
void reserveCal()
{
for (int i = mNNlayers.Count - 1; i >= 0; i--)
{
CNNLayer lay = mNNlayers[i];
if (mNNlayers.Count - 1 == i)
{
lay.mDW = Matrix <double> .Build.Dense(lay.mNodeNum, 1, getDeviationDerivative() *lay.getActiveDerivative());
}
else
{
CNNLayer afterLay = mNNlayers[i + 1];
lay.mDW = afterLay.mDW * afterLay.mW * lay.getActiveDerivative();
}
}
}
void updateWB(Matrix <double> inSample)
{
for (int i = 0; i < mNNlayers.Count; i++)
{
CNNLayer lay = mNNlayers[i];
Matrix <double> preIn;
if (i == 0)
{
preIn = inSample;
}
else
{
preIn = lay.mA;
}
Matrix <double> dw = preIn * lay.mDW;
Matrix <double> db = lay.mDW;
lay.mW -= mU * dw;
lay.mB -= mU * db;
}
}