Load a sparse matrix in numpy’s .npz format from disk. Note: This is not binary compatible with scipy’s save_npz() output. Will only load files saved by this package.

Parameters:filename (file-like object, string, or pathlib.Path) – The file to read. File-like objects must support the seek() and read() methods.
Returns:The sparse matrix at path filename
Return type:COO


See save_npz for usage examples.