c = lt(a,b) : lower-than comparison of iData objects
@iData/lt (<) comparison operator
when comparing two iData objects, the monitor weighting is applied.
input: a: object or array (iData or numeric)
b: object or array (iData or numeric)
output: c: object or array which Signal is the comparison result (iData)
ex: c= a<1; d=find(a<b);
Version: Aug. 22, 2017
See also iData, iData/find, iData/gt, iData/lt, iData/ge, iData/le, iData/ne, iData/eq