minloc(expr, dim1, dim2 <,tinc>)
Returns the grid coordinate for the minimum of
expr over the specified dimension range. If the
specified dimension is time, an optional time increment
tincr may be specified.
expr    - any valid GrADS expression dim1    - the starting dimension expressiondim2    - the ending dimension expressiontinc    - optional time increment
dim1 and dim2 are standard
GrADS dimension expressions whose dimensions must match.
min, 
max, and
maxloc.