The use of functions is very useful to carry out tasks. For instance, we might want to define a function which, for any input x, is equal to sin(x)/x. First we need to pick a name for this function – let’s try calling it sinex. Now we need to create a procedure called sinex within Python, and here is what goes inside it (in pseudocode format): (a) Set up the sinex function. Evaluate it at x = 0, and at x = π. What values do you expect there? Make a table of its values from -2 to 2 in increments of 0.25. (b) Plot the sinex function over the domain of -10 to 10
The use of functions is very useful to carry out tasks. For instance, we might want to define a function which, for any input x, is equal to sin(x)/x. First we need to pick a name for this function – let’s try calling it sinex. Now we need to create a procedure called sinex within Python, and here is what goes inside it (in pseudocode format): (a) Set up the sinex function. Evaluate it at x = 0, and at x = π. What values do you expect there? Make a table of its values from -2 to 2 in increments of 0.25. (b) Plot the sinex function over the domain of -10 to 10
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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The use of functions is very useful to carry out tasks. For instance, we might want to define a function which, for any input x, is equal to sin(x)/x. First we need to pick a name for this function – let’s try calling it sinex. Now we need to create a procedure called sinex within Python, and here is what goes inside it (in pseudocode format):
(a) Set up the sinex function. Evaluate it at x = 0, and at x = π. What values do you expect there? Make a table of its values from -2 to 2 in increments of 0.25.
(b) Plot the sinex function over the domain of -10 to 10.
Transcribed Image Text:Algorithm 2 SINEX(x)
Ensure: function result = sinex(x)
1: if x = 0 then
2:
result = 1
%3D
3: else
4:
result = sin(x)/x
5: end if
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