minus : difference of two fields using CDO operator sub

Difference of two fields

References : https://code.zmaw.de/projects/cdo/embedded/1.6.4/cdo.html

Provider / contact : climaf at meteo dot fr

Input : any pair of objects with compatible grids, ranks and sizes

Mandatory argument:

None

Output : the difference

Climaf call example

>>> ds1= .... #some dataset, with whatever variable
>>> ds2= .... #some other, compatible dataset
>>> diff=minus(ds1,ds2) # ds1 - ds2

Side effects : none

Implementation : using ‘cdo sub’