ProgrammingThis forum is for all programming questions.
The question does not have to be directly related to Linux and any language is fair game.

Notices

Welcome to LinuxQuestions.org, a friendly and active Linux Community.

You are currently viewing LQ as a guest. By joining our community you will have the ability to post topics, receive our newsletter, use the advanced search, subscribe to threads and access many other special features. Registration is quick, simple and absolutely free. Join our community today!

Note that registered members see fewer ads, and ContentLink is completely disabled once you log in.

If you have any problems with the registration process or your account login, please contact us. If you need to reset your password, click here.

Having a problem logging in? Please visit this page to clear all LQ-related cookies.

Introduction to Linux - A Hands on Guide

This guide was created as an overview of the Linux Operating System, geared toward new users as an exploration tour and getting started guide, with exercises at the end of each chapter.
For more advanced trainees it can be a desktop reference, and a collection of the base knowledge needed to proceed with system and network administration. This book contains many real life examples derived from the author's experience as a Linux system and network administrator, trainer and consultant. They hope these examples will help you to get a better understanding of the Linux system and that you feel encouraged to try out things on your own.

Click Here to receive this Complete Guide absolutely free.

I have a script that I am trying to get to write fibonacci numbers. Here's what I need to do:

Code:

Write a program that prints out the first n fibonacci series numbers.
*The fibonacci series start out like this:
n=0 n=1 n=2 n=3 n=4 n=5 n=6 n=...
1 1 2 3 5 8 13 ...
In math terms, each element is the sum of the preceding two elements: F(0)=1, F(1)=1, F(n) = F(n-1) + F(n-2) for n>1

Here's how I wrote it so far:

Code:

#! /usr/bin/perl
print "Please type in how many fibonacci numbers you would like displayed. n: ";
$n = <STDIN>;
$x = 1;
$y = 0;
$a = 0;
while ($a <= $n) {
process($x, $y, $a);
$a++;
}
sub process {
$z = $_[0] + $_[1];
$y = $_[0];
$x = $z;
print "n=$_[2]\t$z\n";
}

The output of this script if I input n equal to 5 is:

Code:

n=0 1
n=1 2
n=2 3
n=3 5
n=4 8
n=5 13

Obviously, that is not right. What am I doing wrong?! Thanks!

LinuxQuestions.org is looking for people interested in writing
Editorials, Articles, Reviews, and more. If you'd like to contribute
content, let us know.