To shade the area between two curves in MATLAB, you can use the fill() function. Here is an example code that demonstrates how to do this:
% Define x and y values for the curves
x = linspace(0, 4*pi, 100);
y1 = sin(x);
y2 = cos(x);
% Define the upper and lower limits
y_upper = y1 + 0.5;
y_lower = y2 - 0.5;
% Plot the curves
plot(x, y1, 'b-', 'LineWidth', 2);
hold on;
plot(x, y2, 'r-', 'LineWidth', 2);
% Fill the area between the curves
fill([x fliplr(x)], [y_upper fliplr(y1)], 'b', 'FaceAlpha', 0.2);
fill([x fliplr(x)], [y_lower fliplr(y2)], 'r', 'FaceAlpha', 0.2);
% Add legend and axis labels
legend('y1', 'y2');
xlabel('x');
ylabel('y');
In this example, the fill() function is used twice to fill the area between the two curves. The fliplr() function is used to create a mirrored set of x values so that the area is filled in properly. The 'FaceAlpha' parameter is used to set the transparency of the filled area.
You can modify the y_upper and y_lower arrays to define your upper and lower limits for your specific application.
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