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local_minloc(array, position [, /subgrid, /bound])
Finds position and value of local minima in array, starting
at the positions (indices) in position and walking along
the steepest gradient. position must be a scalar or array
of indices to array. By default, a local minimum on the
grid is returned. Keyword /subgrid requests the return of the
subgrid position, as determined from a quadratic fit near the integer
position, with the subgrid position forced to be within one px in any
coordinate from the integer position. Allow far subgrid results by also
specifying /nobound. The last found minimum is put in
!lastmin and !lastminloc (the latter as an integer index
to array), and and all found positions are returned as
coordinates to array. If an indicated
position falls before the beginning or after the end of the
array then the nearest position inside the
array is used instead.
See also: local_min, local_max, local_maxloc, min, minloc, !lastmin, !lastminloc