simpleTriplet-objects depending on argument typesimpleTriplet.
It is possible to create an object from class simpleTriplet from an existing matrix (using type=='simpleTriplet').
A positive (or negative) identity matrix stored as an object of class simpleTriplet can be created by specifying type=='simpleTripletDiag'.init.simpleTriplet(type, input)## S3 method for class 'character,list':
init.simpleTriplet(type, input)
type.simpleTriplet