ismember

ismember is a Python library that checks whether the elements in X is present in Y.

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Documentation pages

On the documentation pages you can find more information about ismember with examples.

Install ismember from PyPI

pip install ismember     # normal install
pip install -U ismember  # update if needed

Import ismember package

from ismember import ismember

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Quick example

Use the documentation pages for more detailed usage. Some of the most used functionalities are linked below.

from ismember import ismember

# Example with lists
I, idx = ismember([1,2,3,None], [4,1,2])
I, idx = ismember(["1","2","3"], ["4","1","2"])

Example: Check whether the elements of X are present in Y

Example: Determine the corresponding location of the values that are present in Y array

Example: Row wise comparison

Example: Elementwise comparison

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References

• https://in.mathworks.com/help/matlab/ref/ismember.html

Maintainer

• Erdogan Taskesen, github: erdogant
• Contributions are welcome.
• If you wish to buy me a Coffee for this work, it is very appreciated :)