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Fix scatter op equation #6304

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Merged
kexinzhao merged 1 commit into from
Dec 5, 2017
+7 −2
Merged

Fix scatter op equation #6304

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9 changes: 7 additions & 2 deletions paddle/operators/scatter_op.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -87,10 +87,15 @@ class ScatterOpMaker : public framework::OpProtoAndCheckerMaker {
AddInput("Updates", "The updated value of updates op");
AddOutput("Out", "The output of add op");
AddComment(R"DOC(
Scatter Operator by selecting from the first axis,
Scatter Operator.

Out = Ref
This operator obtains output by updating the input on selected indices on the first axis:

$$
Out = Ref \\
Out[Index] = Ref[Index] + Updates
$$

)DOC");
}
};
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