THINKING LIKE AN ENGINEER W/ACCESS
17th Edition
ISBN: 9781323522127
Author: STEPHAN
Publisher: PEARSON C
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Textbook Question
Chapter 15, Problem 1ICA
Which of the following are not valid MATLAB variable names? Circle all that apply. For those that are invalid, state why.
Expert Solution & Answer
To determine
Identify the valid MATLAB variables from the given variables and explain the reason for not valid variables.
Answer to Problem 1ICA
The valid and invalid MATLAB variables are identified and explained the reason for invalid MATLAB variables.
Explanation of Solution
Description:
- a. BigNum.docx: The MATLAB variable BigNum.docx is invalid variable since it contains the special character “.”.
- b. Six_Vals: The MATLAB variable Six_Vals is a valid variable since it obeys the naming rules of the MATLAB.
- c. This is a very long MATLAB variable name: As the variable contain the space, the MATLAB variable is not a valid one.
- d. 2BR02B: The variable cannot begin with the number. As the variable begins with the number 2, the variable 2BR02B is an invalid one.
- e. Is_This_Valid?: As the variable contains the special character “?”, the variable is an invalid variable.
- f. Rocket=Space+100;: As the variable contains the special characters “=”, and “;”, the variable is an invalid variable.
- g. Mult2: The variable is a valid one.
- h. log: As the variable log is a name of common function, the variable is an invalid variable.
- i. GClefSign: The MATLAB variable GClefSign is a valid one.
- j. AbcDEFGHijKLmnopqrstuvWXyz_Has_Lots_of_Characters: The variable is a valid one.
- k. DoNotPassGo_DoNotCollect$200: As the variable contains the special character “$”, the variable is an invalid variable.
Conclusion:
Thus, the valid and invalid MATLAB variables are identified and explained the reason for invalid MATLAB variables.
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Chapter 15 Solutions
THINKING LIKE AN ENGINEER W/ACCESS
Ch. 15.1 - Which of the following are valid MATLAB variable...Ch. 15.1 - Which of the following assignment statements are...Ch. 15.1 - a. Store all workspace variables in the file...Ch. 15.2 - Write MATLAB code to complete the following...Ch. 15.2 - a. Calculate the two roots of the quadratic...Ch. 15.3 - Each problem should be done with a single MATLAB...Ch. 15.3 - Assume a row vector named vals has already been...Ch. 15.3 - a. Place the indices of all nonzero elements of...Ch. 15.3 - a. Create a column vector CV1 containing 123...Ch. 15.3 - Comprehension Check 15-1 0 a. Assume you have four...
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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