Commands Show/hide help * Set the Fibonacci number to calculate. n = 10; our own script - turn it into a function called ", akes how many Fibonacci numbers, , and gives fibfib. nn/Math Processing ErrorY 4. * Create a row vector called containing n ones. F = ones (1, n): % This vector is used to store the Fibonacci 7. Command Window to find the 10th Fibonacci % nunbers; its first element is currently F_1 8 % and its second elenent is F_2 (if n>1). % If n>2, then use the recursive fornula * to calculate F_3, F_4, ..., F_n. 10 11 12 13 14 15 16 17 for k = 3:n F (k) = F(k-1) + F(k-2): end

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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end
Example 3
plot (1:10, vec): % the same as plot (vec)
Recall that the Fibonacci numbers are defined as follows: Thus, for example, In the following demonstration, a loops is used the
Error][Math Processing Error}for
Before the next set of exercises, try the Fibonacci for-loop demo
Exercise 3
Commands
Show/hide help
Fibonacci: I
% Set the Fibonacci number to calculate.
Copy-paste the Fibonacci code into your own script - turn it into a function called ",
and save it as ". Make sure that it takes how many Fibonacci numbers, , and gives
the Fibonacci number as the output, . fibfib. nn[Math Processing Error]Y
2
n = 10:
% Create a row vector called containing n ones.
F = ones (1, n) :
% This vector is used to store the Fibonacci
% nunbers; its first element is currently F 1
% and its second elenent is F_2 (if n>1).
4
Test that it works by using it in the Command Window to find the 10th Fibonacci
number - use the following commands:
>> format rat
>> fib (10)
9
10
11
12
13
% If n>2, then use the recursive formula
* to calculate F_3, F 4,... , F_n.
for k = 3:n
ans =
55
14
F(k) = F (k-1) + F(k-2):
What is the 78th Fibonacci number?
15
16
17
end
18
% Display last value in F.
F(end)
19
Hint: shows all outputs as rational numbers, rather than scientific format; to set your
MATLAB back to the usual number format, use the command ". fornat ratformat
short
<<>>
Variables
Command Window
Exercise 4
Fibonacci: II
Transcribed Image Text:end Example 3 plot (1:10, vec): % the same as plot (vec) Recall that the Fibonacci numbers are defined as follows: Thus, for example, In the following demonstration, a loops is used the Error][Math Processing Error}for Before the next set of exercises, try the Fibonacci for-loop demo Exercise 3 Commands Show/hide help Fibonacci: I % Set the Fibonacci number to calculate. Copy-paste the Fibonacci code into your own script - turn it into a function called ", and save it as ". Make sure that it takes how many Fibonacci numbers, , and gives the Fibonacci number as the output, . fibfib. nn[Math Processing Error]Y 2 n = 10: % Create a row vector called containing n ones. F = ones (1, n) : % This vector is used to store the Fibonacci % nunbers; its first element is currently F 1 % and its second elenent is F_2 (if n>1). 4 Test that it works by using it in the Command Window to find the 10th Fibonacci number - use the following commands: >> format rat >> fib (10) 9 10 11 12 13 % If n>2, then use the recursive formula * to calculate F_3, F 4,... , F_n. for k = 3:n ans = 55 14 F(k) = F (k-1) + F(k-2): What is the 78th Fibonacci number? 15 16 17 end 18 % Display last value in F. F(end) 19 Hint: shows all outputs as rational numbers, rather than scientific format; to set your MATLAB back to the usual number format, use the command ". fornat ratformat short <<>> Variables Command Window Exercise 4 Fibonacci: II
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