chrishkchris commented on a change in pull request #493: SINGA-473 Autograd
Trigonometry: Backward Test
URL: https://github.com/apache/incubator-singa/pull/493#discussion_r309006617
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File path: test/python/test_operation.py
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@@ -65,6 +65,17 @@ def prepare_inputs_targets_for_rnn_test():
targets = [t0, t1, t2]
return inputs, targets, h0
+def numpy_unary_ops_backward(func, x, dy, h=0.0005):
Review comment:
OK, I will change the code using one of your two methods (the link provided
or compute the gradient explicitly).
The code I did was only the diagonal of the gradient matrix, which is only
suitable for unary operator where one output is determined by one input,
without the coupling from other inputs.
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