y = A | x - xc | pl,x < xc
y = A | x - xc | pu,x > xc
Asymmetric power function.
Number: 4
Names: xc, A, pl, pu
Meanings: xc = center, A = amplitude, p1 = power, pu = power
Lower Bounds: A > 0.0, p1 > 0.0, pu > 0.0
Upper Bounds: none
nlf_power2(x,xc,A,pl,pu)
FITFUNC\POWER2.FDF
Power