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# numpy.ma.MaskedArray.product

`MaskedArray.``product`(axis=None, dtype=None, out=None, keepdims=<class numpy._globals._NoValue>)

  Return the product of the array elements over the given axis.

  Masked elements are set to 1 internally for computation.

  Refer to `numpy.prod` for full documentation.

  See also

  `ndarray.prod`
    corresponding function for ndarrays
  `numpy.prod`
    equivalent function

  Notes

  Arithmetic is modular when using integer types, and no error is raised on overflow.