sinewavesquarewave.m

% Tutorial 4.4 - Example 4.1 - Jeffrey Laederach

% Clear Variables
clear;

% Wave Generation Loop

for i = 1:1001

    % Create Sine Wave
    x(i) = (i-1)*(4*pi/1000);
    ysin(i) = sin(x(i));

    % Create Square Wave

    if ysin(i) > 0
        ysquare(i) = 1;

    elseif ysin(i) < 0
        ysquare(i) = -1;

    else
        ysquare(i) = 0;

    end

end 

% Plot Data

plot(x, ysin, 'LineWidth', 2);

hold on;
plot(x, ysquare, 'r', 'LineWidth', 2);

axis([0 max(x) -1.2 1.2]);
grid on