Thinking Like an Engineer: An Active Learning Approach (4th Edition)
Thinking Like an Engineer: An Active Learning Approach (4th Edition)
4th Edition
ISBN: 9780134639673
Author: Elizabeth A. Stephan, David R. Bowman, William J. Park, Benjamin L. Sill, Matthew W. Ohland
Publisher: PEARSON
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Chapter 15, Problem 11ICA

Write the MATLAB code necessary to create the variables in (a) through (d) or calculate the vector computations in (e) through (q). If a calculation is not possible, explain why. You may assume that the variables created in parts (a) through (d) are available for the remaining computations in parts (e) through (q). For parts (e) through (q) when it is possible, determine the expected result of each computation by hand.

a. Save vector [3 –2 5] in va

b. Save vector [ 1 0 4 ] in vb.

c. Save vector [9 –4 6 –5] in vc.

d. Save vector [ 7 3 4 8 ] in vd.

e. Convert vd to a row vector and store in variable ve.

f. Place the sum of the elements in Va in the variable S1.

g. Place the product of the last three elements of vd in the variable P1.

h. Place the cosines of the elements of vb in the variable c1. Assume the values in vb are angles in radians.

i. Create a new 14-element row vector V19 that contains all of the elements of the four original vectors va , vb, vc , and vd. The elements should be in the same order as in the original vectors, with elements from va as the first three, the elements from vb as the next three, and so forth.

j. Create a two-element row vector v2 that contains the product of the first two elements of vc as the first element and the product of the last two elements of vc as the second element.

k. Create a two-element column vector v2A that contains the sum of the odd-numbered elements of vc as the first element and the sum of the even-numbered elements of vc as the second element.

l. Create a row vector ES1 that contains the element-wise sum of the corresponding values in vc and vd.

m. Create a row vector DS9 that contains the element-wise sum of the elements of vc with the square roots of the corresponding elements of vd.

n. Create a column vector EP1 that contains the element-wise product of the corresponding values in va and vb.

o. Create a row vector ES2 that contains the element-wise sum of the elements in vb with the last three elements in vd.

p. Create a variable s2 that contains the sum of the second elements from all four original vectors, Va, vb, vc, and vd.

q. Delete the third element of vd, leaving the resulting three-element vector in vd.

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Chapter 15 Solutions

Thinking Like an Engineer: An Active Learning Approach (4th Edition)

Ch. 15.3 - a. Write a single MATLAB command that will create...Ch. 15.4 - a. Create the matrix CCM1=[180.34.11017] using a...Ch. 15.4 - Write single MATLAB statements to perform each of...Ch. 15.4 - Write single MATLAB statements to perform each of...Ch. 15.4 - Write single MATLAB statements to perform each of...Ch. 15.4 - Write single MATLAB statements to perform each of...Ch. 15.4 - For each of the following questions, write a...Ch. 15.5 - a. Create a variable named MTS containing the text...Ch. 15.6 - Assume a cell array named CA has three cells in a...Ch. 15.6 - Prob. 21CCCh. 15.7 - Create a structure array named Resistors...Ch. 15.7 - Use the data stored in MetalData to answer the...Ch. 15.7 - The structure array named Hdwr has the following...Ch. 15 - Which of the following are not valid MATLAB...Ch. 15 - Prob. 2ICACh. 15 - For the following questions, assume that the...Ch. 15 - For each calculation described below, write a...Ch. 15 - For each calculation described below, write a...Ch. 15 - For each of the vectors described below, write a...Ch. 15 - Assume the following vectors are already defined:...Ch. 15 - For each of the following sequences, write a...Ch. 15 - Modify the following statements so that they are...Ch. 15 - Assume you have three equal-length row vectors....Ch. 15 - Write the MATLAB code necessary to create the...Ch. 15 - For each of the following problems, write a single...Ch. 15 - Assume you have two equal-length row vectors IV1...Ch. 15 - Write the MATLAB code necessary to create the...Ch. 15 - Assuming t = [9 10; 11 12] and v = [2 4;6 8;10 12]...Ch. 15 - Determine solutions to the following problems a....Ch. 15 - For each of the following problems except part...Ch. 15 - Assume you have an N M matrix named Gonzo For...Ch. 15 - For each of the following tasks. write a single...Ch. 15 - Determine the contents of the variables created or...Ch. 15 - For each of the following tasks, write a single...Ch. 15 - For each of the following problems, write a single...Ch. 15 - Each of the following questions contains a...Ch. 15 - Prob. 25ICACh. 15 - Assume a cell array CA1 has already been defined....Ch. 15 - Prob. 27ICACh. 15 - You are setting up a structure array named client...Ch. 15 - You have three temperature values [C] stored in...Ch. 15 - You have N temperature values [C] stored in the...Ch. 15 - Assume four row vectors named Prod10, Prod11,...Ch. 15 - You have a 2 N matrix named GasData. The first...Ch. 15 - Assume the matrix M99 has at least two rows and at...Ch. 15 - Assume a matrix named Prod contains data on...Ch. 15 - You are studying the effects of climate change on...Ch. 15 - You are studying the properties of tiny spheres...Ch. 15 - Assume you have a four-column matrix named...Ch. 15 - One very old method of sending secret messages is...Ch. 15 - Prob. 13RQCh. 15 - Prob. 15RQCh. 15 - Refer to the specifications for Review Questions...
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