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modify API nn.Bilinear's doc #31889

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Mar 29, 2021
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modify API nn.Bilinear's doc #31889

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modify API nn.Bilinear's doc, test=develop
wanghuancoder Mar 26, 2021
cd69a1d
modify API nn.Bilinear's doc, test=develop
wanghuancoder Mar 29, 2021
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4 changes: 2 additions & 2 deletions python/paddle/nn/layer/common.py
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Original file line number Diff line number Diff line change
Expand Up @@ -578,15 +578,15 @@ class Bilinear(layers.Layer):

.. math::

out_{i} = x1 * W_{i} * {x2^\mathrm{T}}, i=0,1,...,size-1
out_{i} = x1 * W_{i} * {x2^\mathrm{T}}, i=0,1,...,outfeatures-1

out = out + b

In this formula:
- :math:`x1`: the first input contains in1_features elements, shape is [batch_size, in1_features].
- :math:`x2`: the second input contains in2_features elements, shape is [batch_size, in2_features].
- :math:`W_{i}`: the i-th learned weight, shape is [in1_features, in2_features], and learned weight's shape is [out_features, in1_features, in2_features].
- :math:`out_{i}`: the i-th element of out, shape is [batch_size, out_features].
- :math:`out_{i}`: the i-th element of out, shape is [batch_size], and out's shape is [batch_size, out_features].
- :math:`b`: the learned bias, shape is [1, out_features].
- :math:`x2^\mathrm{T}`: the transpose of :math:`x2`.

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