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Python and java realize cosine similarity, and the difference between point multiplication and star multiplication
Python and java realize cosine similarity, and the difference between point multiplication and star multiplication
Elementary school students in IT field
2020-11-06 01:22:11
python
java
realize
cosine
similarity
List of articles
Matrix multiplication , Star multiplication (*) And dot multiplication (.dot) The difference between
1. Basic example
2. summary
python Realize cosine similarity
java Realize cosine similarity
Matrix multiplication , Star multiplication (*) And dot multiplication (.dot) The difference between
1. Basic example
import
numpy a
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numpy.array
(
[
[
1,2
]
,
[
3,4
]
]
)
b
=
numpy.array
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