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Module « scipy.io »

Fonction hb_write - module scipy.io

Signature de la fonction hb_write

def hb_write(path_or_open_file, m, hb_info=None) 

Description

help(scipy.io.hb_write)

Write HB-format file.

Parameters
----------
path_or_open_file : path-like or file-like
    If a file-like object, it is used as-is. Otherwise, it is opened
    before writing.
m : sparse array or matrix
    the sparse array to write
hb_info : HBInfo
    contains the meta-data for write

Returns
-------
None

Notes
-----
At the moment not the full Harwell-Boeing format is supported. Supported
features are:

    - assembled, non-symmetric, real matrices
    - integer for pointer/indices
    - exponential format for float values, and int format

Examples
--------
We can read and write a harwell-boeing format file:

>>> from scipy.io import hb_read, hb_write
>>> from scipy.sparse import csr_array, eye
>>> data = csr_array(eye(3))  # create a sparse array
>>> hb_write("data.hb", data)  # write a hb file
>>> print(hb_read("data.hb", spmatrix=False))  # read a hb file
<Compressed Sparse Column sparse array of dtype 'float64'
    with 3 stored elements and shape (3, 3)>
    Coords  Values
    (0, 0)  1.0
    (1, 1)  1.0
    (2, 2)  1.0

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