Explanation Consider the number is − 4 . The above number is not a positive number so; the output radius will not be valid. Consider the number is 4.5 . The above number is a positive number so, the output radius will valid. MATLAB Code: % MATLAB code to modify the readradius function to error-check the user's input to ensure that the radius is valid. %script file. function radius = readradius disp('when prompted, please enter the radius') %display the radius. radius = input('the radius is entered:'); %if positive number is enteted then the radius is valid

A function that should ensure that the radius is a positive number by looping to print an error message until the user enters a valid radius.

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Chapter 6, Problem 6.4P

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To write:

A function that should ensure that the radius is a positive number by looping to print an error message until the user enters a valid radius.

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A function that should ensure that the radius is a positive number by looping to print an error message until the user enters a valid radius.

Solution Summary: The author explains how the MATLAB code to modify the readradius function to error-check the user's input to ensure that the radius is valid.

Concept explainers

Videos

To write:

A function that should ensure that the radius is a positive number by looping to print an error message until the user enters a valid radius.

Chapter 6 Solutions

A function that should ensure that the radius is a positive number by looping to print an error message until the user enters a valid radius.

Solution Summary: The author explains how the MATLAB code to modify the readradius function to error-check the user's input to ensure that the radius is valid.

Concept explainers

Videos

To write: A function that should ensure that the radius is a positive number by looping to print an error message until the user enters a valid radius.

Chapter 6 Solutions

To write:

A function that should ensure that the radius is a positive number by looping to print an error message until the user enters a valid radius.