From 58c73fd511b77cb94124b71a4bb75c7ab6a6d8bc Mon Sep 17 00:00:00 2001
From: Elizabeth Hunt <elizabeth.hunt@simponic.xyz>
Date: Mon, 25 Sep 2023 10:36:23 -0600
Subject: add september notes & hw2 code / pdf

---
 cl/src/approx/maceps.lisp | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 cl/src/approx/maceps.lisp

(limited to 'cl/src/approx/maceps.lisp')

diff --git a/cl/src/approx/maceps.lisp b/cl/src/approx/maceps.lisp
new file mode 100644
index 0000000..cd24482
--- /dev/null
+++ b/cl/src/approx/maceps.lisp
@@ -0,0 +1,13 @@
+(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))))
-- 
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