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Combining Nested FOR Loops and the IF Statements:
The statements inside a nested loop can be any of the valid statement, involving any selection statement. For e.g., there can be an if or if-else statement as the action, or part of action, in the loop.
As an illustration, there is a file known as the datavals.dat that has results recorded from an experiment. Though, some were incorrectly recorded. The numbers are all supposed to be positive. The below script reads from this file into a matrix. It prints the sum from each and every row of only the positive numbers. We will suppose that the file contains integers but will not suppose how many lines are in the file or how many numbers per line.
Reading from Files: There are many lower level functions which read from files. The function fscanf reads the formatted data into a matrix, by using conversion formats like %s
Example of Mode When no value appears more often than any other, the smallest value in the vector will be the mode of the vector. >> shortx = [2 5 1 4]; >> mode(shortx
Input in a While Loop: The script below repeats the procedure of prompting a user, the reading in a positive number, and echo-printing it, as long as the user properly enters
Vectors of nested structures: The Combining vectors and nested structures are possible to have a vector of structures in which several fields are structures themselves. Here i
Execution of persistent variables: The functions can also be called from the script or from the Command Window, as shown here. For illustration, the functions are called first
Steps for input output functions - Lower level file: The steps involved are as shown below: Open the file. Read the file, write to the file, or append to the file.
Index vector: The index vector is then used as the indices for original vector. To get grades vector in ascending order, the indices used would be grades (2), grades (5), and
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Example of Function stubs: The three functions have not so far been written, though, therefore the function stubs are put in place so that the script can be executed and teste
Illustration of Nested loops: Running the script shows the output: >> printstars ***** ***** ***** The variable rows identifies the number of rows to print, and
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