, a, comment='', field=None, precision=None)

Writes the sparse or dense matrix A to a Matrix Market formatted file.

Parameters :

target : file

Matrix Market filename (extension .mtx) or open file object

a : array like

Sparse or full matrix

comment : str

comments to be prepended to the Matrix Market file

field : {‘real’, ‘complex’, ‘pattern’, ‘integer’}, optional

precision : :

Number of digits to display for real or complex values.

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