Thinking Like an Engineer: An Active Learning Approach (3rd Edition)
3rd Edition
ISBN: 9780133593211
Author: Elizabeth A. Stephan, David R. Bowman, William J. Park, Benjamin L. Sill, Matthew W. Ohland
Publisher: PEARSON
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Chapter 20, Problem 4RQ
To determine
Develop a MATLAB program for given conditional statements.
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Could you please fix my code it’s supposed to look like the graph that’s on the picture. But the lines do not cross eachother at the beginning. Could you make the lines look like the lines on the graph?
Use this code in MATLAB and fix it.
% Sample data for Diesel and Petrol cars
carPosition = linspace(1, 60, 50); % Assumed positions of cars
% Define your seed here
seed = 50;
rand('seed',seed); % Set the seed for reproducibility
% Assumed CO2 emissions for Diesel and Petrol
CO2Diesel = 25 + 5*cos(carPosition/60*2*pi) + randn(1, 50)*5; % Random data for Diesel
CO2Petrol = 20 + 5*sin(carPosition/60*2*pi) + randn(1, 50)*5; % Random data for Petrol
% Fit polynomial curves with a reduced degree of 2
pDiesel = polyfit(carPosition, CO2Diesel, 2);
pPetrol = polyfit(carPosition, CO2Petrol, 2);
% Generate points for best fit lines
fitDiesel = polyval(pDiesel, carPosition);
fitPetrol = polyval(pPetrol, carPosition);
% Plotting the data
figure;
hold on;
% Plot Diesel best fit line…
Hello I’m trying to make the graph that you see in the picture, I’m trying the exact copy of that graph using this code but I’m having a hard time doing that. Could you change the code so that it looks like the graph that you see on the picture using MATLAB, please send the code when you are finished.
% Sample data for Diesel and Petrol cars
carPosition = linspace(1, 60, 50); % Assumed positions of cars
% Fix the random seed for reproducibility
rng(45);
% Assumed positions of cars
CO2Diesel = 25 + 5*cos(carPosition/60*2*pi) + randn(1, 50)*5; % Random data for Diesel
CO2Petrol = 20 + 5*sin(carPosition/60*2*pi) + randn(1, 50)*5; % Random data for Petrol
% Fit polynomial curves
pDiesel = polyfit(carPosition, CO2Diesel, 3);
pPetrol = polyfit(carPosition, CO2Petrol, 3);
% Generate points for best fit lines
fitDiesel = polyval(pDiesel, carPosition);
fitPetrol = polyval(pPetrol, carPosition);
% Plotting the data
figure; hold on;
scatter(carPosition, CO2Diesel, 'o', 'MarkerEdgeColor', [1 0.5…
I’m using this code in MATLAB but for some odd reason every time I run it on MATLAB I keep on getting a different graphs. In the picture that shows two different graphs are from the same code, but I need to it to look like the picture that has one graph. Could you please fix it. To make it look like the picture that has one graph?
Here is the code:
% Sample data for Diesel and Petrol
carPosition = linspace(1, 60, 50); % Assumed positions of cars
CO2Diesel = 25 + 5*cos(carPosition/60*2*pi) + randn(1, 50)*5; % Random data for Diesel
CO2Petrol = 20 + 5*sin(carPosition/60*2*pi) + randn(1, 50)*5; % Random data for Petrol
% Fit polynomial curves
pDiesel = polyfit(carPosition, CO2Diesel, 3);
pPetrol = polyfit(carPosition, CO2Petrol, 3);
% Generate points for best fit lines
fitDiesel = polyval(pDiesel, carPosition);
fitPetrol = polyval(pPetrol, carPosition);
% Plotting the data
figure;
hold on;
scatter(carPosition, CO2Diesel, 'o', 'MarkerEdgeColor', [1 0.5 0]); % Diesel data…
Chapter 20 Solutions
Thinking Like an Engineer: An Active Learning Approach (3rd Edition)
Ch. 20.1 - Write a for loop to display every even number from...Ch. 20.1 - Write a for loop to display every multiple of 5...Ch. 20.1 - Write a for loop to display every odd number from...Ch. 20.1 - Assume a vector Vals has already been defined....Ch. 20.1 - Consider the following table of values. Determine...Ch. 20.1 - Write two nested for loops to determine how many...Ch. 20.1 - Assume a matrix MZ has already been defined. Write...Ch. 20.2 - Write a while loop that requires the user to input...Ch. 20.2 - Assume a vector v2 has already been defined and...Ch. 20 - Answer the question with each of the following...
Ch. 20 - Write a function named CountDown that accepts a...Ch. 20 - For each of the following code segments, determine...Ch. 20 - Prob. 4ICACh. 20 - Assume the vector AM contains an even number of...Ch. 20 - Write a function named CLASS that will accept a...Ch. 20 - For each code segment below, determine the...Ch. 20 - Write a function named GetArray that will accept...Ch. 20 - Write a function named EvenSum that will accept a...Ch. 20 - You are assessing the price of various components...Ch. 20 - You are studying the number of defective parts...Ch. 20 - The Pascal Triangle has an amazing number of uses,...Ch. 20 - Write a function named Prodstate that will accept...Ch. 20 - Prob. 14ICACh. 20 - Assume that a simple menu has been created by the...Ch. 20 - Write a program that will ask the user to input a...Ch. 20 - While experimenting with coding sequences, you...Ch. 20 - Prob. 1RQCh. 20 - A matrix names mach contains three columns of data...Ch. 20 - The Fibonacci sequence is an integer sequence...Ch. 20 - Prob. 4RQCh. 20 - As early as 650 BC, mathematicians have been...Ch. 20 - Prob. 10RQCh. 20 - A zombie picks up a calculator and starts adding...Ch. 20 - Write a function called Balloon that will accept a...Ch. 20 - Prob. 13RQCh. 20 - You are to program part of the interface for a...
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- I’m making the graph that you see in the picture but the code that I’m using makes the line with to many curves. Could you make the lines look like the one that you see on the graph. Don’t change the color just make it with a little bit less curves like you see in the picture. Use this code on MATLAB and fix it. % Sample data for Diesel and Petrol cars carPosition = linspace(1, 60, 50); % Assumed positions of cars % Fix the random seed for reproducibility rng(50); % Assumed CO2 emissions for Diesel and Petrol CO2Diesel = 25 + 5*cos(carPosition/60*2*pi) + randn(1, 50)*5; % Random data for Diesel CO2Petrol = 20 + 5*sin(carPosition/60*2*pi) + randn(1, 50)*5; % Random data for Petrol % Fit polynomial curves pDiesel = polyfit(carPosition, CO2Diesel, 3); pPetrol = polyfit(carPosition, CO2Petrol, 3); % Generate points for best fit lines fitDiesel = polyval(pDiesel, carPosition); fitPetrol = polyval(pPetrol, carPosition); % Combined best fit combinedFit = (fitDiesel + fitPetrol) / 2;…arrow_forwardThis code keeps on generating graphs with different curves. The picture that you see two different graphs comes from the same code but both of them have different curves. I need the curve to look like the picture that only has one graph. I basically need the line to have a slight curve and every time I run the code it will come up as the same graph every time. Use this code on MATLAB and fix it % Sample data for Diesel and Petrol cars carPosition = linspace(1, 60, 50); % Assumed positions of cars % Use the 'seed' function instead of 'rng' seed = 50; % Define your seed here rand('seed',seed); % Assumed CO2 emissions for Diesel and Petrol CO2Diesel = 25 + 5*cos(carPosition/60*2*pi) + randn(1, 50)*5; % Random data for Diesel CO2Petrol = 20 + 5*sin(carPosition/60*2*pi) + randn(1, 50)*5; % Random data for Petrol % Fit polynomial curves with a reduced degree of 2 pDiesel = polyfit(carPosition, CO2Diesel, 2); pPetrol = polyfit(carPosition, CO2Petrol, 2); % Generate points for best fit…arrow_forwardEvery time I use this code the two lies come up but they keep on showing up separately. I need one line on top of the other or make it look like one line just like it’s shown on the picture I need the two line together and make it one line. If you can please make the lines less curved make it look line the line on the picture. With what I’m asking from you please fix it using this code using MATLAB and send back the code. % Sample data for Diesel and Petrol cars carPosition = linspace(1, 60, 50); % Assumed positions of cars % Fix the random seed for reproducibility rng(45); % Assumed positions of cars CO2Diesel = 25 + 5*cos(carPosition/60*2*pi) + randn(1, 50)*5; % Random data for Diesel CO2Petrol = 20 + 5*sin(carPosition/60*2*pi) + randn(1, 50)*5; % Random data for Petrol % Fit polynomial curves pDiesel = polyfit(carPosition, CO2Diesel, 3); pPetrol = polyfit(carPosition, CO2Petrol, 3); % Generate points for best fit lines fitDiesel = polyval(pDiesel, carPosition); fitPetrol =…arrow_forward
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- I need the answers to this part, I have submitted this question three times on this site and all three times received way different answers...as I am unsure which tutor to listen to, I am uploading this question for the third time and I am asking a very highly knowledgable tutor to help me solve this. If you are uncertain, please leave it for another tutor.arrow_forwardI need a MATLAB code that uses image segmentation to take this photo and single out the weeds in the yard. It also needs to calculate the number of pixels/percentage of the pixels that are in the weeds. Please provide notes in the lines as well so it is easy to follow and understand. Thank you for your help!arrow_forwardPlease make this on MATLAB, make the graph shown on the picture, copy the orange and blue circles and the line please make sure that they are on the exact same spots. Make the exact copy of the graph please. Nothing different, just make the same graph and put the orange and blue circles on the exact spots and make sure the lines are the same and make sure the title of the graph is their as well. They rest of the pictures that has numbers are the data that is believed to be the orange and blue dots . Take your time please. I need help with this.arrow_forward
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