QUESTION 2: [40] The following script creates x and y vectors representing data points (you may assume x iterates from 1 to the number of points, n). x = 1:6; y [8 7.5 5 3 2.7 2]; plotline (x,y) xlabel('x'); ylabel('y'); It then passes these vectors to a function called "plotline" that produces a plot. Specifically, the function fits a straight line of the form mx + b to the points, where m is the slope of the line and b is the y-intercept. It plots these points as black *'s along with the line, extended to x = 0 so that the y- intercept can be seen. The x-axis ranges from 0 to n. The y-axis ranges from 0 to the largest y value, in either the original data points or the straight line (whichever is largest). You task is to write a local function called "plotline" that will receive x and y vectors representing the data points and achieve the above goals. "plotline" will also return the slope and y-intercept values. An output plot of the above script when executed in MATLAB is shown in Figure 3. Start with the function definition shown below: function [slope, y_intercept] = plotline (x,y) 9 8 7 6 5 > 4 3- 2 1- 0 NE 1 2 3 4 5 6 x Figure 3
QUESTION 2: [40] The following script creates x and y vectors representing data points (you may assume x iterates from 1 to the number of points, n). x = 1:6; y [8 7.5 5 3 2.7 2]; plotline (x,y) xlabel('x'); ylabel('y'); It then passes these vectors to a function called "plotline" that produces a plot. Specifically, the function fits a straight line of the form mx + b to the points, where m is the slope of the line and b is the y-intercept. It plots these points as black *'s along with the line, extended to x = 0 so that the y- intercept can be seen. The x-axis ranges from 0 to n. The y-axis ranges from 0 to the largest y value, in either the original data points or the straight line (whichever is largest). You task is to write a local function called "plotline" that will receive x and y vectors representing the data points and achieve the above goals. "plotline" will also return the slope and y-intercept values. An output plot of the above script when executed in MATLAB is shown in Figure 3. Start with the function definition shown below: function [slope, y_intercept] = plotline (x,y) 9 8 7 6 5 > 4 3- 2 1- 0 NE 1 2 3 4 5 6 x Figure 3
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
Related questions
Question
Please use MATLAB
![QUESTION 2: [40]
The following script creates x and y vectors representing data points (you may assume x iterates
from 1 to the number of points, n).
x = 1:6;
y
[8 7.5 5 3 2.7 2];
plotline (x,y)
xlabel('x');
ylabel('y');
It then passes these vectors to a function called "plotline" that produces a plot. Specifically, the
function fits a straight line of the form mx + b to the points, where m is the slope of the line and b is
the y-intercept. It plots these points as black *'s along with the line, extended to x = 0 so that the y-
intercept can be seen. The x-axis ranges from 0 to n. The y-axis ranges from 0 to the largest y
value, in either the original data points or the straight line (whichever is largest).
You task is to write a local function called "plotline" that will receive x and y vectors representing
the data points and achieve the above goals. "plotline" will also return the slope and y-intercept
values. An output plot of the above script when executed in MATLAB is shown in Figure 3.
Start with the function definition shown below:
function [slope, y_intercept] = plotline (x,y)
9
8
7
6
5
>
4
3-
2
1-
0
NE
1
2
3
4
5
6
x
Figure 3](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fca54911f-4c33-48b6-9518-41b412a01cf9%2F5ec22dc7-f366-4c91-bdd1-cd51009e9825%2Fw716mihj_processed.jpeg&w=3840&q=75)
Transcribed Image Text:QUESTION 2: [40]
The following script creates x and y vectors representing data points (you may assume x iterates
from 1 to the number of points, n).
x = 1:6;
y
[8 7.5 5 3 2.7 2];
plotline (x,y)
xlabel('x');
ylabel('y');
It then passes these vectors to a function called "plotline" that produces a plot. Specifically, the
function fits a straight line of the form mx + b to the points, where m is the slope of the line and b is
the y-intercept. It plots these points as black *'s along with the line, extended to x = 0 so that the y-
intercept can be seen. The x-axis ranges from 0 to n. The y-axis ranges from 0 to the largest y
value, in either the original data points or the straight line (whichever is largest).
You task is to write a local function called "plotline" that will receive x and y vectors representing
the data points and achieve the above goals. "plotline" will also return the slope and y-intercept
values. An output plot of the above script when executed in MATLAB is shown in Figure 3.
Start with the function definition shown below:
function [slope, y_intercept] = plotline (x,y)
9
8
7
6
5
>
4
3-
2
1-
0
NE
1
2
3
4
5
6
x
Figure 3
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