Function: math-nlfit-b-logistic-params

math-nlfit-b-logistic-params is a byte-compiled function defined in calc-nlfit.el.gz.

Signature

(math-nlfit-b-logistic-params XDATA YDATA)

Source Code

;; Defined in /usr/src/emacs/lisp/calc/calc-nlfit.el.gz
(defun math-nlfit-b-logistic-params (xdata ydata)
  (let* ((q0 (math-nlfit-find-q0 ydata xdata))
         (qdata (math-nlfit-get-cumul-from-rates xdata ydata q0))
         (abc (math-nlfit-find-logistic-parameters qdata ydata xdata))
         (B (nth 1 abc))
         (C (nth 2 abc))
         (A (math-neg
             (math-mul
              (nth 0 abc)
              (math-mul B C))))
         (D (math-neg (math-div (calcFunc-ln B) C)))
         (A (math-div A B)))
    (list A C D)))