### Navigation

- index
- modules |
- modules |
- next |
- previous |
- SciPy v0.9 Reference Guide (DRAFT) »
- Input and output (`scipy.io`) »

# scipy.io.mminfo

`scipy.io.``mminfo`(source)

  Queries the contents of the Matrix Market file ‘filename’ to extract size and storage information.

  Parameters : | source : file Matrix Market filename (extension .mtx) or open file object
  Returns : | rows,cols : int Number of matrix rows and columns entries : int Number of non-zero entries of a sparse matrix or rows*cols for a dense matrix format : {‘coordinate’, ‘array’} field : {‘real’, ‘complex’, ‘pattern’, ‘integer’} symm : {‘general’, ‘symmetric’, ‘skew-symmetric’, ‘hermitian’}

### Navigation

- index
- modules |
- modules |
- next |
- previous |
- SciPy v0.9 Reference Guide (DRAFT) »
- Input and output (`scipy.io`) »