### Navigation

- index
- modules |
- next |
- previous |
- NumPy v1.3 Manual (DRAFT) »
- NumPy Reference »
- Routines »
- Masked array operations »

# numpy.ma.masked_invalid

`numpy.ma.``masked_invalid`(a, copy=True)
  Mask the array for invalid values (NaNs or infs). Any preexisting mask is conserved.

### Navigation

- index
- modules |
- next |
- previous |
- NumPy v1.3 Manual (DRAFT) »
- NumPy Reference »
- Routines »
- Masked array operations »