{HEAD ~ The two argument arctangent function} of Equation 6 can be scaled to any 2λ interval, such as {TAIL ~ a “−λ to λ” interval} or a “0 to 2λ” interval 
{ HEAD ~ The two argument arctangent function } of Equation 6 can be scaled to any 2λ interval , such as { TAIL ~ a “ −λ to λ ” interval } or a “ 0 to 2λ ” interval
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH