lizfcm/src/approx/maceps.lisp

12 lines
293 B
Common Lisp

(in-package :lizfcm.approx)
(defun compute-maceps (f a init)
(let ((h init)
(err init))
(loop while (> err 0)
do
(setf h (/ h 2)
err (abs (- (funcall f (+ a h))
(funcall f a))))
collect (list a h err))))