'Define sum' presentation slideshows

Control Flow

Control Flow. Aaron Bloomfield CS 415 Fall 2005. Side Effects & Idempotent Functions.

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CS220 Programming Principles

CS220 Programming Principles. ?????? ?? 2002 ???? Class 13: Streams ? ??. Stream Data Abstraction. ; stream - a sequence of state in time ; list with delayed evaluation ; Delayed List ; recursive process with list (define (sum-prime a b) (accumulate + 0

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Evaluation of An Expression

Lecture 2 - Substitution Model (continued) - Recursion - Block structure and scope (if time permits). Evaluation of An Expression. T he value of a numeral: number The value of a built-in operator: machine instructions to execute

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6.001 SICP

6.001 SICP. Today’s topics Types of objects and procedures Procedural abstractions Capturing patterns across procedures – Higher Order Procedures. Types. (+ 5 10) ==> 15 (+ "hi” 5) ;The object "hi", passed as the first argument to integer-add, is not the correct type.

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Lecture 2 Lecturer: Prof. Benny Chor Office hours: Thursday 15-16, Shrieber 223 benny@cs.tau.ac.il

Lecture 2 Lecturer: Prof. Benny Chor Office hours: Thursday 15-16, Shrieber 223 benny@cs.tau.ac.il. Lecture Overview Refined substitution model of evaluation Recursive procedures Procedural abstraction Scope of Variables. Reminder: Syntax vs. semantics. Syntax Semantics.

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PPL

PPL. Lecture 3 Slides by Dr. Daniel Deutch , based on lecture notes by Prof. Mira Balaban. Scope and binding. Block Structure. f(x,y,z) = (x+y) 2 + (x+z) 2. Lets write a procedure that given x, y, and z computes. (define (sum-and-square x y) (square (+ x y))).

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PPL

PPL. Lecture 3 Slides by Yaron Gonen , based on slides by Daniel Deutch and lecture notes by Prof. Mira Balaban. Warm-up. Is this recursive or iterative? (define sum (lambda (n) (if (= n 0) 0 (+ (/ 1 (pow 2 n)) (sum (- n 1)))))).

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Lecture 3

Lecture 3. Some commonly used C programming tricks. The system command Project No. 1: A warm-up project. Some tricks: Header files: contain common declarations. Source files use the #include directive to include the header files.

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