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new b30fba6 Fixing the doc for symbolic version of rand_zipfian (#13978)
b30fba6 is described below
commit b30fba6ddbb704273edbf93a978e0863130ec941
Author: Sina Afrooze <sina....@gmail.com>
AuthorDate: Thu Jan 24 10:45:20 2019 -0800
Fixing the doc for symbolic version of rand_zipfian (#13978)
* Fixes #12779
---
python/mxnet/symbol/contrib.py | 19 ++++++++-----------
1 file changed, 8 insertions(+), 11 deletions(-)
diff --git a/python/mxnet/symbol/contrib.py b/python/mxnet/symbol/contrib.py
index d54267f..a83227a 100644
--- a/python/mxnet/symbol/contrib.py
+++ b/python/mxnet/symbol/contrib.py
@@ -73,17 +73,14 @@ def rand_zipfian(true_classes, num_sampled, range_max):
Examples
--------
- >>> true_cls = mx.nd.array([3])
- >>> samples, exp_count_true, exp_count_sample =
mx.nd.contrib.rand_zipfian(true_cls, 4, 5)
- >>> samples
- [1 3 3 3]
- <NDArray 4 @cpu(0)>
- >>> exp_count_true
- [ 0.12453879]
- <NDArray 1 @cpu(0)>
- >>> exp_count_sample
- [ 0.22629439 0.12453879 0.12453879 0.12453879]
- <NDArray 4 @cpu(0)>
+ >>> true_cls = mx.sym.Variable('true_cls')
+ >>> samples, exp_count_true, exp_count_sample =
mx.sym.contrib.rand_zipfian(true_cls, 4, 5)
+ >>> samples.eval(true_cls=mx.nd.array([3]))[0].asnumpy()
+ array([1, 3, 3, 3])
+ >>> exp_count_true.eval(true_cls=mx.nd.array([3]))[0].asnumpy()
+ array([0.12453879])
+ >>> exp_count_sample.eval(true_cls=mx.nd.array([3]))[0].asnumpy()
+ array([0.22629439, 0.12453879, 0.12453879, 0.12453879])
"""
assert(isinstance(true_classes, Symbol)), "unexpected type %s" %
type(true_classes)
log_range = math.log(range_max + 1)
