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authorElizabeth Hunt <elizabeth.hunt@simponic.xyz>2023-09-25 10:36:23 -0600
committerElizabeth Hunt <elizabeth.hunt@simponic.xyz>2023-09-25 10:36:23 -0600
commit58c73fd511b77cb94124b71a4bb75c7ab6a6d8bc (patch)
tree25ae52afe365de29973efbb10fdecf2712deb430 /cl/src/approx/maceps.lisp
parent2e284b71500a1f8dc6cc46ecf21eb1e9389ea780 (diff)
downloadcmath-58c73fd511b77cb94124b71a4bb75c7ab6a6d8bc.tar.gz
cmath-58c73fd511b77cb94124b71a4bb75c7ab6a6d8bc.zip
add september notes & hw2 code / pdf
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diff --git a/cl/src/approx/maceps.lisp b/cl/src/approx/maceps.lisp
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+(in-package :lizfcm.approx)
+
+(defun compute-maceps (val f)
+ (let* ((h val)
+ (a val)
+ (err val))
+ (loop while (> err 0)
+ do
+ (progn
+ (setf h (/ h 2)
+ err (abs (- (funcall f (+ a h))
+ (funcall f a)))))
+ collect (list a h err))))