def bp(self, y, phase): return ele.tanh_back(y)
def bp(self, y, phase): return ele.tanh_back(y)
def bp(self, y): return ele.tanh_back(y)
def bp(self, y): return ele.tanh_back(y)
def bp(self, y, phase): return ele.tanh_back(y)
def bp(self, y, phase): return ele.tanh_back(y)
def bp(self, y): return ele.tanh_back(y)
def bp(self, y): return ele.tanh_back(y)