A sparse vector is a 1D numerical list where most (say, more than 95% of) values will be 0 (or some other default) and for reasons of memory efficiency you don’t wish to store these. (cf. Sparse array)
This implementation has a similar interface to Python’s 1D numpy.ndarray but stores the values and indices in linked lists to preserve memory.
sparse_vector is for numerical data only, if you want any type of data, have a look at sparse_list, the parent library, a dictionary-of-keys implementation of a sparse list in python.
If you need 2D matrices, have a look at scipy.sparse, they also have a linked lists implementation, lil_matrix.
Installation
Available on the cheeseshop.
Installation is simply:
$ pip install sparse_vectorUsage
See the unit-tests!
Contributing
Fork it
Create your feature branch (git checkout -b my-new-feature)
Commit your changes (git commit -am 'Add some feature')
Ensure the tests pass for all Pythons in .travis.yml <https://github.com/johnsyweb/python_sparse_vector/blob/master/.travis.yml>__
Push to the branch (git push origin my-new-feature)
Create new Pull Request
Thanks
johnsyweb for the original sparse_list.
1 maintainer
Metadata
1 maintainer
Release files for sparse_vector 0.4
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