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Karel Vesely authored
- lstm : implemented gradient-clipping, extended gradient print to show stats of forward / backward pass. - nnet-loss.cc : bugfix in Xent::Eval (avoiding log(0) in cross-entropy computation) - nnet-pdf-priors.{h,cc},nnet-forward.cc : refactored, behavior stays the same - train-transitions : updates transition probabilities in transition model (but there was no WER improvment) git-svn-id: https://svn.code.sf.net/p/kaldi/code/trunk@4904 5e6a8d80-dfce-4ca6-a32a-6e07a63d50c8
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