Zapiski #1 srečanja programerskega bralnega krožka SICP
-Zanimivi izseki
-Zanimivi izseki
+str. 9
-str. 9
+Every reader should ask himself periodically "Toward what end, toward what end?" — but do not ask it too often lest you pass up the fun of programming for the constipation of bittersweet philosophy. @@ -218,9 +218,9 @@ Lisp is a survivor, having been in use for about a quarter of a century.
str. 11
-str. 11
+It is better to have 100 functions operate on one data structure than to have 10 functions operate on 10 data structures. @@ -228,9 +228,9 @@ It is better to have 100 functions operate on one data structure than to have 10
str. 18
-str. 18
+Thus, programs must be written for people to read, and only incidentally for machines to execute. @@ -238,9 +238,9 @@ Thus, programs must be written for people to read, and only incidentally for mac
str. 19
-str. 19
+Underlying our approach to this subject is our conviction that "computer science" is not a science and that its significance has little to do with computers. @@ -248,9 +248,9 @@ Underlying our approach to this subject is our conviction that "computer science
str. 27
-str. 27
+Finally, we would like to acknowledge the support of the organizations that have encouraged this work over the years, including support from Hewlett-Packard, made possible by Ira Goldstein and Joel Birnbaum, and support from DARPA, made possible by Bob Kahn. @@ -271,25 +271,25 @@ Preko očeta v sorodu s fizikom Hermanom Kahnom, ki je napisal knjigo o tem kako
str. 77
-str. 77
+Stoy 1977
Vaje
-Vaje
+1.1 Kaj vrnejo izrazi?
+1.1 Kaj vrnejo izrazi?
1.2 Pretvori izraz v prefix obliko
-1.2 Pretvori izraz v prefix obliko
+(/ (+ 5 4 (- 2 @@ -307,28 +307,83 @@ Stoy 1977
1.3 procedura, ki prejme 3 argumente in vrne vsoto kvadratov vecjih dveh
-1.3 procedura, ki prejme 3 argumente in vrne vsoto kvadratov vecjih dveh
+(define (vsota-vecjih-kvadratov a b c) (cond ((<= a b c) (+ (* b b) (* c c))) ((<= b a c) (+ (* a a) (* c c))) (else (+ (* b b) (* a a))))) +;; ^ NAROBE! <= primerja vse tri stevilke, ne prvo z drugima dvema oz. ostalimi -(vsota-vecjih-kvadratov 6 1 7) +(define (+kvadrat a b) (+ (* a a) (* b b))) +(define (vsota-vecjih-kvadratov2 a b c) + (if (>= a b) + (if (>= b c) + (+kvadrat a b) + (+kvadrat a c)) + (if (>= a c) + (+kvadrat a b) + (+kvadrat b c)))) + +(list + "Pricakovano" + '(85 41 164 89) + + "Funkcija1" + (list (vsota-vecjih-kvadratov 6 1 7) + (vsota-vecjih-kvadratov 3 4 5) + (vsota-vecjih-kvadratov 8 10 2) + (vsota-vecjih-kvadratov 3 8 5)) + + "Funkcija2" + (list (vsota-vecjih-kvadratov2 6 1 7) + (vsota-vecjih-kvadratov2 3 4 5) + (vsota-vecjih-kvadratov2 8 10 2) + (vsota-vecjih-kvadratov2 3 8 5)))
-85 -+
| Pricakovano | +(85 41 164 89) | +Funkcija1 | +(85 41 164 73) | +Funkcija2 | +(85 41 164 89) | +
1.4
+ +1.4
Created: 2024-04-21 ned 17:14
+ +