y = ln(a + bx)
Two-parameter logarithm.
Reference: Ratkowksy, David A. 1990. Handbook of Nonlinear Regression Models. Marcel Dekker, Inc. 4.2.3
Number: 2
Names: a, b
Meanings: a = offset, b = coefficient
Lower Bounds: none
Upper Bounds: none
nlf_log2p2(x,a,b)
FITFUNC\LOG2P2.FDF
Logarithm