MATLAB: Using if statement inside a function,I didn’t understand why the error is coming,why I am unable to use the values of x & y inside the if loop

if statement

function O = help(~,~)
    i=input('Value of i:');
    j=input('Value of j:');
    O = y(i,j);
    function g=y(x,y)
        if(x==y)
        {
              k = rem(x,2);  
              s = log2( (y - k) );
              g = 2^(-s);
         } 
        else
        {
              g=0;
        }
        end 
        return; 
    end
    return;
end

Best Answer

Curly braces for the if-else statement are not required.
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