# AI News, tensorflow::ops::StopGradient

- On 30. september 2018
- By Read More

## tensorflow::ops::StopGradient

When building ops to compute gradients, this op prevents the contribution of its inputs to be taken into account.

Normally, the gradient generator adds ops to a graph to compute the derivatives of a specified 'loss' by recursively finding out inputs that contributed to its computation.

Contrastive divergence training of Boltzmann machines where, when differentiating the energy function, the training must not backpropagate through the graph that generated the samples from the model.

- On 8. august 2020

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