- statistics: [v, idx] = nanmax (X)
- statistics: [v, idx] = nanmax (X, Y)
 Find the maximal element while ignoring NaN values.
 nanmax is identical to the max function except that NaN values
 are ignored.  If all values in a column are NaN, the maximum is
 returned as NaN rather than [].
 See also: 
max, 
  nansum, 
  nanmin
Source Code: 
  nanmax