The inverse of the 5-parameter logistic function
The inverse function of the 5pl. Set the value of g to be 1, if the 4pl is of interest.
inv.f5pl(pars, y)
pars |
the parameters of the function. It has the following content: [a, d, xmid, scale, g]. |
y |
the value to be reverse calculated. |
the value of the reverse function
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