recursive funtion in matlab

To create a recursive function in MATLAB, you will need to define a function that calls itself repeatedly until a base case is met. Here is a simple example:

main.m
function factorial = factorial(n)
    if n == 1
        factorial = 1;
    else
        factorial = n * factorial(n-1);
    end
end
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This function calculates the factorial of a given input value n by calling itself recursively. The base case is when n == 1 and the recursion stops there. Otherwise, the function multiplies the input value n by the result of calling itself with n-1 as the input.

Note that you need to define a base case in order to avoid an infinite loop. A recursive function should also have a way to reduce the size of the input parameter with each recursive call.