[jira] [Commented] (MXNET-39) Mathematical function unary ops related to CDF of normal distribution

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MXNET-39?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16391319#comment-16391319 ] 

ASF GitHub Bot commented on MXNET-39:
-------------------------------------

mseeger commented on issue #9982: Unary ops logcdf_normal, derivlogcdf_normal [MXNET-39]
URL: https://github.com/apache/incubator-mxnet/pull/9982#issuecomment-371505378
 
 
   Hi Eric, Marco told me contrib is not a good place, and suggested to open a new namespace (say: math) for such more specific mathematical functions. They'd be out of the way of most MXNet users, and clunkier names should be more acceptable then.
   
   What do you think? I also wrote to dev@

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> Mathematical function unary ops related to CDF of normal distribution
> ---------------------------------------------------------------------
>
>                 Key: MXNET-39
>                 URL: https://issues.apache.org/jira/browse/MXNET-39
>             Project: Apache MXNet
>          Issue Type: Improvement
>            Reporter: Matthias Seeger
>            Priority: Minor
>
> PR is doing two things:
>  * New math function unary ops
>  * Improve unit tests for unary and binary basic ops
> New ops implement log of CDF of standard normal (scipy.stats.norm.logcdf), and its derivative. Required in many Bayesian ML algorithms:
>  * Bayesian optimization for hyperparameter tuning
>  * Expectation propagation for binary classification
>  This can go to contrib for now.



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