Ruifeng Zheng 8c4b535baf [SPARK-35678][ML] add a common softmax function ... ### What changes were proposed in this pull request? add softmax function in utils ### Why are the changes needed? it can be used in multi places ### Does this PR introduce _any_ user-facing change? NO ### How was this patch tested? existing testsuites Closes #32822 from zhengruifeng/add_softmax_func. Authored-by: Ruifeng Zheng <ruifengz@foxmail.com> Signed-off-by: Ruifeng Zheng <ruifengz@foxmail.com>		2021-06-15 10:33:57 +08:00
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main	[SPARK-35678][ML] add a common softmax function	2021-06-15 10:33:57 +08:00
test	[SPARK-35423][ML] PCA results should be consistent, If the Matrix contains both Sparse and Dense vectors	2021-06-09 10:23:46 -05:00