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Tensorflow error when using softsign activation in contractive autoencoder #37

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fdavidcl opened this issue Jul 31, 2019 · 1 comment
Open

Tensorflow error when using softsign activation in contractive autoencoder #37

fdavidcl opened this issue Jul 31, 2019 · 1 comment

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@fdavidcl
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LookupError: No gradient defined for operation 'loss_186/activation_281_loss/loop_body/gradients/activation_278/Softsign_grad/SoftsignGrad/pfor/SoftsignGrad' (op type: SoftsignGrad)
@fdavidcl
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fdavidcl commented Aug 1, 2019

This looks like we need some sort of _SoftsignGradGrad to be defined in tensorflow/tensorflow.

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