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% Plotting
x = [0 1 2 3 4]; % Basic plotting
plot(x); % Plot x versus its index values
pause % Wait for key press
plot(x, 2*x); % Plot 2*x versus x
axis([0 8 0 8]); % Adjust visible rectangle
figure; % Open new figure
x = pi*[-24:24]/24;
plot(x, sin(x));
xlabel('radians'); % Assign label for x-axis
ylabel('sin value'); % Assign label for y-axis
title('dummy'); % Assign plot title
figure;
subplot(1, 2, 1); % Multiple functions in separate graphs
plot(x, sin(x)); % (see "help subplot")
axis square; % Make visible area square
subplot(1, 2, 2);
plot(x, 2*cos(x));
axis square;
figure;
plot(x, sin(x));
hold on; % Multiple functions in single graph
plot(x, 2*cos(x), '--'); % '--' chooses different line pattern
legend('sin', 'cos'); % Assigns names to each plot
hold off; % Stop putting multiple figures in current
% graph
figure; % Matrices vs. images
m = rand(64,64);
imagesc(m) % Plot matrix as image
colormap gray; % Choose gray level colormap
axis image; % Show pixel coordinates as axes
axis off; % Remove axes
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