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Illustration of if - else statement:
The one application of an if-else statement is to check for errors in the inputs to a script. For illustration, a former script prompted the user for a radius, and then used that to compute the area of a circle. Though, it did not check to make sure that the radius be valid (example, a positive number). Here is a modified script which checks the radius:
Illustrations of running this script whenever the user enters invalid and then valid radii are shown here:
>> checkradius
Please enter the radius: -4
Sorry; -4.00 is not a valid radius
Please enter the radius: 5.5
For a circle with radius of 5.50, the area becomes 95.03
The if-else statement in this illustration selects between two actions: printing an error message, or really using the radius to compute the area, and then printing out the result. Note that the action of the if clause is a single statement, while the action of the else clause is a group of three statements.
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Example of image processing: The other illustration generates a 5 × 5 matrix of arbitrary integers in the range from 1 to the number of colors; the resultant image is as shown
i have a matlab project
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Use of While loop: Here is an illustration of calling the function, passing 5000 for the value of the input argument high. >> factgthigh(5000) ans = 5040 The itera
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