def _bprop(self,dZ):
if dZ is None:
return (None,0)
db = sm.sum(dZ,axis=0)
if self.negdecay:
db += self.negdecay
if self.start_training > globals.flags.get("step",0):
db *= 0
return (dZ,db) # (dX,db)
def _bprop(self, dZ):
if dZ is None:
return (None, 0)
db = sm.sum(dZ, axis=0)
if self.negdecay:
db += self.negdecay
if self.start_training > globals.flags.get("step", 0):
db *= 0
return (dZ, db) # (dX,db)
def _bprop(self,X,w,Z,dZ): return (dZ*w,sm.sum(dZ*X,axis=0)) # (dX,dw) def _calc_shapes(self,X,Z,w):
def _bprop(self, X, w, Z, dZ):
return (dZ * w, sm.sum(dZ * X, axis=0)) # (dX,dw)