I found [this](https://mxnet.apache.org/api/python/docs/tutorials/packages/gluon/loss/custom-loss.html) while going through the doc, but it doesn't seems to work on MNIST ...
--- [Visit Topic](https://discuss.mxnet.io/t/siamese-network-issue-no-gradient-no-clue-why/6372/3) or reply to this email to respond. You are receiving this because you enabled mailing list mode. To unsubscribe from these emails, [click here](https://discuss.mxnet.io/email/unsubscribe/5e6ed35d895eb7132f368fc992c95208723b3f515900462a2eed4fdd1ecab47b).
