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author | Cathy Yeh <cathy@driver.xyz> | 2017-12-13 18:47:32 -0800 |
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committer | Cathy Yeh <cathy@driver.xyz> | 2017-12-14 15:39:52 -0800 |
commit | 7053fefc6f9e43b1e252d1f551401a7a70b52e93 (patch) | |
tree | 2b232454fbc71f4acc877cbf03f61565bae88b98 /beliefs/utils/math_helper.py | |
parent | 10f5c49ea6767f54d59f88eb4064bb4959d14c6b (diff) | |
download | beliefs-7053fefc6f9e43b1e252d1f551401a7a70b52e93.tar.gz beliefs-7053fefc6f9e43b1e252d1f551401a7a70b52e93.tar.bz2 beliefs-7053fefc6f9e43b1e252d1f551401a7a70b52e93.zip |
cleanup print statements, stale comments, minor TODOs
Diffstat (limited to 'beliefs/utils/math_helper.py')
-rw-r--r-- | beliefs/utils/math_helper.py | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/beliefs/utils/math_helper.py b/beliefs/utils/math_helper.py index a25ea68..12325e1 100644 --- a/beliefs/utils/math_helper.py +++ b/beliefs/utils/math_helper.py @@ -1,10 +1,16 @@ -"""Random math utils.""" +"""Math utils""" def is_kronecker_delta(vector): - """Returns True if vector is a kronecker delta vector, False otherwise. - Specific evidence ('YES' or 'NO') is a kronecker delta vector, whereas - virtual evidence ('MAYBE') is not. + """ + Check if vector is a kronecker delta. + + Args: + vector: iterable of numbers + Returns: + bool, True if vector is a kronecker delta vector, False otherwise. + In belief propagation, specific evidence (variable is directly observed) + is a kronecker delta vector, but virtual evidence is not. """ count = 0 for x in vector: |