/// <summary>
/// Given a collection of incidence matrices this function chooses the one which has least number of modified models
/// </summary>
/// <param name="IMSet"></param>
/// <param name="IMf"></param>
/// <returns></returns>
private static int LeastModified(IncidenceMatrix[] IMSet, IncidenceMatrix IMf)
{
var IndexAndReversals = IMSet.Select((m, i) => new { Index = i, NReversed = IMf.Compare(m) });
return(IndexAndReversals.OrderBy(m => m.NReversed).First().Index);
}