MATLAB: Kindly help me to find error in attached code to find leap years for a range

Question

function leapyr = leapyears(startYear, endYear)
%UNTITLED8 Summary of this function goes here
leapyr = 0;
i = 0;
for i = startYear:4:endYear
        if mod(startYear, 4) == 0 && mod(endYear, 4) == 0 
            fprintf('%i \n', startYear)
        elseif mod(startYear, 400) == 0 && mod(endYear, 400) == 0 
            fprintf('%i \n', startYear)
        else mod(startYear, 100) == 0 && mod(endYear, 100) == 0 
            fprintf('%i \n', startYear)
        end
  end
end

Answer 1

isleapyr=@(yr) (eomday(yr,2)==29);