| 9 | # first, define three user-defined classes |
| 10 | |
| 11 | class Transfer(Saveable): |
| 12 | def __init__(self, nin, nout, act, model): |
| 13 | self.act = act |
| 14 | self.W = model.add_parameters((nout, nin)) |
| 15 | self.b = model.add_parameters(nout) |
| 16 | self.nin = nin |
| 17 | self.nout = nout |
| 18 | |
| 19 | def __call__(self, x): |
| 20 | W,b=map(dy.parameter, [self.W, self.b]) |
| 21 | return self.act(W*x+b) |
| 22 | |
| 23 | def get_components(self): |
| 24 | return [self.W, self.b] |
| 25 | |
| 26 | def restore_components(self, components): |
| 27 | self.W, self.b = components |
| 28 | |
| 29 | class MultiTransfer(Saveable): |
| 30 | def __init__(self, sizes, act, model): |
no outgoing calls