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Fixed the link to the, "Adam: A Method for Stochastic Optimization" research paper.
This link no longer works: http://arxiv.org/pdf/1412.6980.pdf
I and many others involved with machine learning, find it's better to link to the research paper's arXiv page itself, and not directly to the PDF file. This is because it's not easy to get to the research paper's arXiv page, directly from the PDF, but it is easy to get to the PDF from the arXiv page.
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v8 of the paper does not use this parameter
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The sign in the update rule in version 4 (3rd March) of the paper does'nt seem to work? The code works when update to the parameters is positive not negative?
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The sqrt(v) is now being used instead of pow(v, 2).
And I used the default values from the Adam paper:
learningRate=2e-4, epsilon=1e-8, lambda=1-1e-8.
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