Performs an exact matching, having minimum average, of two lists of times (a timestamp of the first list is matched with a timestamp of the second list that is greater or equal). Some timestamps in the two lists may be left out of the matching.
l1 – First list of times
l2 – Second list of times
Exact matching (list of tuples having as first element an element of the first list, and as second element an element of the second list)
- Return type