From: Ramakrishnan Muthukrishnan <vu3rdd@gmail.com>
Date: Thu, 27 May 2010 12:45:53 +0000 (+0530)
Subject: solution to 1.40
X-Git-Url: https://git.rkrishnan.org/pf/content/%22news.html/running.html?a=commitdiff_plain;h=e185c7f44e2a20c225fba1b4ced5bce70f5e9783;p=sicp.git

solution to 1.40
---

diff --git a/src/sicp/ex1_40.clj b/src/sicp/ex1_40.clj
new file mode 100644
index 0000000..741b646
--- /dev/null
+++ b/src/sicp/ex1_40.clj
@@ -0,0 +1,15 @@
+(ns sicp.ex1_40
+  (:use [clojure.contrib test-is]
+	[sicp utils]
+	[sicp ch1_3]))
+
+(defn cubic [a b c]
+  (fn [x] (+ (cube x)
+	     (* a (square x))
+	     (* b x)
+	     c)))
+
+(comment
+(newton-method (cubic 0 0 (* 3 3 -3)) 1.0)
+;;=> 3.0000000000019176
+)