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In the while loop, if the initialization is performed during condition checking, then initialization is completed every time the loop iterates. The ‘for’ loop is practiced when we already know the number of iterations. The ‘while’ loop is practiced only if the number of iterations is not specifically known. If there is no condition put up within the ‘for’ loop, the loop can easily iterate infinite times. If there is no particular condition in the while loop, it gives a compiling error. While ( condition) Īt the top of the loop, there is only the facility of initialization and condition checking.Ĭondition checking, initialization, iteration statement all can be written at the loop’s top. What is the common difference between While and For loops in Matlab? Parameters Practice a while loop method while the increased value is nonstandard.Use a while loop to read a given file within a variable.Practice a while loop if requesting the user’s batch of input.Use a For loop for iterating on the columns of array.Prefer to use a For loop while you know that the loop must execute n times.List of conditions in which you can use While and For loop! On the other hand, “For” loops are used when the iteration numbers are known. So, it is easy to say that the user can use the “While” loop when he/she does not have any idea regarding the number of iterations. In such a case, the loop is most preferred as it reflects the common character of the particular loop. There might be some overlaps, such as executing the iterations until the specific numbers of loops or certain criterion do not reach. K = 1 while k <= 20 disp(k) k = k + 1 end Let’s compare two different codes in terms of while loop and for loop: for k = 1:20 disp(k) end When the user knows the number of iterations that will be done before the loop is started.Īt the same time, the While loop is much nicer in the case when the iterations need to be determined within the loop. There is a certain case in which the For loop is much nicer and more compatible. Output: Which is better to use for loop or while loop in Matlab?
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Syntax:“For” loop for m = 1:j for n = 1:k end End“While” loop while while end EndĮxample:Input: for a = 2:30 for b = 2:30 if(~mod(a.b)) break % if factor found, not prime end end if(b > (a/b)) fprintf(‘%d is prime\n’, a) end EndOutput: 2 is prime 3 is prime 5 is prime 7 is prime 11 is prime 13 is prime 17 is prime 19 is prime 23 is prime 29 is prime This can be done for ”while” loop or “for” loop statements. It is used to implement a single loop or more than one loop within other loops in Matlab. Example:Input: for b = disp(b) endOutput: 12 10 15 22 27 The batch of input valArray involves a cell, string, struct, or cell array. The loop will execute for the n times, where n is considered to be the number of columns for valArray, which is given by numel(valArray, 1, :). It is used to create an index of subsequent columns vector from a particular array, for instance: on the initial iteration, index = valArray (:, 1). Otherwise, the expression is considered to be false. When an expression is taken as true, then the result of it is nonempty, and it has the nonzero element that might be real or logical numeric. It always checks the condition of the loop body before executing it. It is used to repeat the number of statements or a statement when the given condition is true. Let’s check all these loops in Matlab: Loops in MATLAB
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Matlab offers the following kinds of loops that handle the requirement of looping a statement. This is the reason why programmers of most country sites use loops in Matlab to ease their work. The loops are used to perform or iterate a task number of times. In this case, it is better to use loops in Matlab.