MATLAB: Use of “end” mandatory for if statement?

if statementMATLABmatlab function

I want to that if we are using the if statement in our code let say in our function,then is it must to use a separate"end" for if statement other than the end of function??

Best Answer

Every if must have a matching end statement. This is always required.

It is not always required that every function has a matching end statement. It is required for functions inside of scripts, and if you use nested functions. However if you have a .m file that starts with function and you do not have nested functions then you can omit the end statement matching every function statement. You cannot mix and match in one file: either do not use any end matching function or else every function must have a matching end. You cannot have some with matching and others without.

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MATLAB: Function without matching end

The trailing "end" is a new feature in Matlab, which is required for nested functions. The old style without a trailing "end" will be kept for backward compatibility without any drawbacks. But when the programmer decides to use the new nested functions or the new style for one of the functions stored in an M-file, all functions must be closed by an "end" to keep the integrity.

MATLAB: Make input positive mandatory

while 1
    a=input('Please input a postive integer');
    if isequal(a,floor(a))&&a>0
        break;
    end
    display('a is not a positive integer');
end

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MATLAB: Make input positive mandatory

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