how to calculate the area of a circle in matlab

main.m
% Ask user for radius
radius = input("Enter the radius of the circle: ");

% Calculate area
area = pi * radius^2;

% Display result
disp("The area of the circle is " + area);
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main.m
function area = circle_area(radius)
% Calculates the area of a circle given the radius
    area = pi * radius^2;
end
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main.m
% Calculate area of a circle with radius 5
area = circle_area(5);

% Display result
disp("The area of the circle is " + area);
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