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HOW TO USE FOR LOOP IN MATLAB ? Presented by: matlabassignmenthelp
PRESENTATION Items to Discuss OUTLINE
Overview What is for loop in MATLAB Syntax of For Loop in MATLAB Some of the examples of For loop in Matlab Decrement values Increment Values Specified Values Use of Repeat Statement for every Matrix Column Use of BREAK Statement Conclusion
OVERVIEW
Matlab has a number of functions that help the
programmer to perform a certain task in an easier way. In this post, you will study a useful element of the Matlab programming i.e., For loop. It is a conditional iterative statement that is used in the coding language.For loop in Matlab, check the applied condition and then implement the function as per the given statement that can be repeated several times. This will continue the work until it does not meet the desired condition. For loop also referred to as the loop variable because it allows the loop statement to know the sequence of each iteration.
The for loop in Matlab grants the programmers to repeat the certain commands. Therefore, if you want to
WHAT IS FOR LOOP IN MATLAB
repeat a few actions in a predefined manner, one can use this loop. There are several loop syntax in Matlab that is starting with the keyword like while or for and end with the statement ‘end’. The for loop statement is coded around a few sets of statements; therefore, it becomes necessary to tell the Matlab function that where to initiate and where to stop the execution.
Syntax of For loop in Matlab
For index = value Statement End Now let’s discuss the details of ‘for loop’ in more detail:
SOME OF THE EXAMPLES OF FOR LOOP IN MATLAB
For index = it involves multiple or single statements, values, and end.This function is used to execute a defined set of statements that can be run several times, which specifies the conditions. The values can be written in the number of forms such as:
firstVal: lastVal: It is used to increment the index value by 1 from firstval to lastval; it can execute the set of statements until firstVal
firstVal: step: lastVal: It gradually increment the index value by defining “step” value, or it can decrement the value by “step” for
is higher than the lastVal.
negative values.
valArray: to execute each iteration, it will create a column vector for valArray from the column of the given array.
Wait
Now take some examples of ‘for loop in Matlab’
In this, the programmer can decrement the values of the defined interval. Program:
DECREME NT VALUES
For a = 3.0 : -1.0 : 0.0 disp(a) End This program will execute the value by decrementing by ‘1.0’The output will be: 3 2 1 0
It will increase the given values by the given number of intervals. program
INCREME NT VALUES
for a = 5.0 : 2.0 : 12.0 disp(a) end the output will be incremented by 2 5 7 9 11
It will run the statements for specified values program
SPECIFIE D VALUES
for a = [2 3 5Â 7] disp(a) end This is how the output will represent Output 2 3 5 7
To exit from the ‘for loop in Matlab’, the programmers can use the break statement. Without using the break statement, the following example will print the ‘END’ value after each iteration
USE OF BREAK STATEME NT
Program for A = eye (2) disp(‘Value:’) disp(A) disp(‘END’) end Output Value: Diagonal matrix 1 0 End 0 1 End
CONCLUSION The ‘for loop’ can be used for repeating certain actions, or we can say that for loop is necessary to run a certain program multiple times. But you want to exit from a program; then, the programmer can use the break statement. If you want to jump the upcoming instructions and start with the next iteration, then you can use the continue statement. A single column vector can be iterate by using the transpose statement to generate a row vector.
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