using subfunctions in a script to find area of rectangle..

below is my scripts and sub functions, why do i still get this error when all my subfunctions and script already have the green light button.

Script:

[length,width]=readlengthwidth;
printlengthandwidth(length,width)

Function1:

function [l,w] = readlengthwidth
%UNTITLED4 Summary of this function goes here
%   Detailed explanation goes here
l=input('please input your desired length');
w=input('please input your desired width');
end

Function2:

function printlengthandwidth(length,width)
fprintf('your desired length is %.2f\n',length)
fprintf('your desired width is %.2f\n',width)
fprintf('therefore your desired area will be %.2f\n',area)

end

function3:

function [area] = calcarea(length,width)

area=length*width;
end

Answer 1

[Matt J]

Not sure what the "green light button" means or which error you're referring to (I see none posted). However, you cannot use subfunctions inside a script. Make the mfile a function file.

[Jan]

Since R2016b scripts are allowed to contain subfunctions.