Function: math-nlfit-find-logistic-parameters
math-nlfit-find-logistic-parameters is a byte-compiled function
defined in calc-nlfit.el.gz.
Signature
(math-nlfit-find-logistic-parameters QDATA PDATA TDATA)
Source Code
;; Defined in /usr/src/emacs/lisp/calc/calc-nlfit.el.gz
(defun math-nlfit-find-logistic-parameters (qdata pdata tdata)
(let* ((a (math-nlfit-find-qmax qdata pdata tdata))
(newqdata
(mapcar (lambda (q) (calcFunc-ln (math-sub (math-div a q) 1)))
qdata))
(bandc (math-nlfit-least-squares tdata newqdata)))
(list
a
(calcFunc-exp (nth 0 bandc))
(nth 1 bandc))))