提交 c2ccdc09 authored 作者: Brandon T. Willard's avatar Brandon T. Willard 提交者: Brandon T. Willard

Perform missing aet.nnet.sigmoid to aet.sigmoid replacements

上级 4265d4fb
......@@ -100,7 +100,7 @@
"x = aet.dmatrix('x')\n",
"wh = th.shared(rng.normal(0, 1, (nfeatures, nhiddens)), borrow=True)\n",
"bh = th.shared(np.zeros(nhiddens), borrow=True)\n",
"h = aet.nnet.sigmoid(aet.dot(x, wh) + bh)\n",
"h = aet.sigmoid(aet.dot(x, wh) + bh)\n",
"\n",
"wy = th.shared(rng.normal(0, 1, (nhiddens, noutputs)))\n",
"by = th.shared(np.zeros(noutputs), borrow=True)\n",
......@@ -390,7 +390,7 @@
"outputs": [],
"source": [
"x, y, z = aet.scalars('xyz')\n",
"e = aet.nnet.sigmoid((x + y + z)**2)\n",
"e = aet.sigmoid((x + y + z)**2)\n",
"op = th.compile.builders.OpFromGraph([x, y, z], [e])\n",
"\n",
"e2 = op(x, y, z) + op(z, y, x)\n",
......
......@@ -63,7 +63,7 @@ hidden layer and a softmax output layer.
x = aet.dmatrix('x')
wh = th.shared(rng.normal(0, 1, (nfeatures, nhiddens)), borrow=True)
bh = th.shared(np.zeros(nhiddens), borrow=True)
h = aet.nnet.sigmoid(aet.dot(x, wh) + bh)
h = aet.sigmoid(aet.dot(x, wh) + bh)
wy = th.shared(rng.normal(0, 1, (nhiddens, noutputs)))
by = th.shared(np.zeros(noutputs), borrow=True)
......@@ -211,7 +211,7 @@ node defines a nested graph, which will be visualized accordingly by ``d3viz``.
.. code:: python
x, y, z = aet.scalars('xyz')
e = aet.nnet.sigmoid((x + y + z)**2)
e = aet.sigmoid((x + y + z)**2)
op = th.compile.builders.OpFromGraph([x, y, z], [e])
e2 = op(x, y, z) + op(z, y, x)
......
......@@ -276,9 +276,9 @@ the following:
trng = aesara.tensor.random.utils.RandomStream(1234)
def OneStep(vsample) :
hmean = aet.nnet.sigmoid(aesara.dot(vsample, W) + bhid)
hmean = aet.sigmoid(aesara.dot(vsample, W) + bhid)
hsample = trng.binomial(size=hmean.shape, n=1, p=hmean)
vmean = aet.nnet.sigmoid(aesara.dot(hsample, W.T) + bvis)
vmean = aet.sigmoid(aesara.dot(hsample, W.T) + bvis)
return trng.binomial(size=vsample.shape, n=1, p=vmean,
dtype=aesara.config.floatX)
......@@ -358,9 +358,9 @@ updated:
# OneStep, with explicit use of the shared variables (W, bvis, bhid)
def OneStep(vsample, W, bvis, bhid):
hmean = aet.nnet.sigmoid(aesara.dot(vsample, W) + bhid)
hmean = aet.sigmoid(aesara.dot(vsample, W) + bhid)
hsample = trng.binomial(size=hmean.shape, n=1, p=hmean)
vmean = aet.nnet.sigmoid(aesara.dot(hsample, W.T) + bvis)
vmean = aet.sigmoid(aesara.dot(hsample, W.T) + bvis)
return trng.binomial(size=vsample.shape, n=1, p=vmean,
dtype=aesara.config.floatX)
......@@ -394,9 +394,9 @@ Using the original Gibbs sampling example, with ``strict=True`` added to the
# Same OneStep as in original example.
def OneStep(vsample) :
hmean = aet.nnet.sigmoid(aesara.dot(vsample, W) + bhid)
hmean = aet.sigmoid(aesara.dot(vsample, W) + bhid)
hsample = trng.binomial(size=hmean.shape, n=1, p=hmean)
vmean = aet.nnet.sigmoid(aesara.dot(hsample, W.T) + bvis)
vmean = aet.sigmoid(aesara.dot(hsample, W.T) + bvis)
return trng.binomial(size=vsample.shape, n=1, p=vmean,
dtype=aesara.config.floatX)
......@@ -423,9 +423,9 @@ variables passed explicitly to ``OneStep`` and to scan:
# OneStep, with explicit use of the shared variables (W, bvis, bhid)
def OneStep(vsample, W, bvis, bhid) :
hmean = aet.nnet.sigmoid(aesara.dot(vsample, W) + bhid)
hmean = aet.sigmoid(aesara.dot(vsample, W) + bhid)
hsample = trng.binomial(size=hmean.shape, n=1, p=hmean)
vmean = aet.nnet.sigmoid(aesara.dot(hsample, W.T) + bvis)
vmean = aet.sigmoid(aesara.dot(hsample, W.T) + bvis)
return trng.binomial(size=vsample.shape, n=1, p=vmean,
dtype=aesara.config.floatX)
......
......@@ -54,7 +54,7 @@
x, y, b = aet.dvectors('x', 'y', 'b')
W = aet.dmatrix('W')
y = aet.nnet.sigmoid(aet.dot(W, x) + b)
y = aet.sigmoid(aet.dot(W, x) + b)
.. note:: The underlying code will return an exact 0 or 1 if an
element of x is too small or too big.
......@@ -174,8 +174,8 @@
x, y, b, c = aet.dvectors('x', 'y', 'b', 'c')
W = aet.dmatrix('W')
V = aet.dmatrix('V')
h = aet.nnet.sigmoid(aet.dot(W, x) + b)
x_recons = aet.nnet.sigmoid(aet.dot(V, h) + c)
h = aet.sigmoid(aet.dot(W, x) + b)
x_recons = aet.sigmoid(aet.dot(V, h) + c)
recon_cost = aet.nnet.binary_crossentropy(x_recons, x).mean()
.. function:: sigmoid_binary_crossentropy(output,target)
......@@ -203,11 +203,11 @@
x, y, b, c = aet.dvectors('x', 'y', 'b', 'c')
W = aet.dmatrix('W')
V = aet.dmatrix('V')
h = aet.nnet.sigmoid(aet.dot(W, x) + b)
h = aet.sigmoid(aet.dot(W, x) + b)
x_precons = aet.dot(V, h) + c
# final reconstructions are given by sigmoid(x_precons), but we leave
# them unnormalized as sigmoid_binary_crossentropy applies sigmoid
recon_cost = aet.nnet.sigmoid_binary_crossentropy(x_precons, x).mean()
recon_cost = aet.sigmoid_binary_crossentropy(x_precons, x).mean()
.. function:: categorical_crossentropy(coding_dist,true_dist)
......
......@@ -20,7 +20,7 @@ class Mlp:
x = dmatrix("x")
wh = shared(self.rng.normal(0, 1, (nfeatures, nhiddens)), borrow=True)
bh = shared(np.zeros(nhiddens), borrow=True)
h = aet.nnet.sigmoid(aet.dot(x, wh) + bh)
h = aet.sigmoid(aet.dot(x, wh) + bh)
wy = shared(self.rng.normal(0, 1, (nhiddens, noutputs)))
by = shared(np.zeros(noutputs), borrow=True)
......@@ -46,7 +46,7 @@ class OfgNested:
class Ofg:
def __init__(self):
x, y, z = scalars("xyz")
e = aet.nnet.sigmoid((x + y + z) ** 2)
e = aet.sigmoid((x + y + z) ** 2)
op = OpFromGraph([x, y, z], [e])
e2 = op(x, y, z) + op(z, y, x)
......@@ -57,7 +57,7 @@ class Ofg:
class OfgSimple:
def __init__(self):
x, y, z = scalars("xyz")
e = aet.nnet.sigmoid((x + y + z) ** 2)
e = aet.sigmoid((x + y + z) ** 2)
op = OpFromGraph([x, y, z], [e])
e2 = op(x, y, z)
......
Markdown 格式
0%
您添加了 0 到此讨论。请谨慎行事。
请先完成此评论的编辑!
注册 或者 后发表评论