plot in different ranges for x

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i want to plot a function say sin(x) for the interval 0:30 and then i want to continue this plot for some other function say ax+b (a,b are constants) for the interval 30:40,how can a manage this plot and also x-axis. Thanks

Accepted Answer

Image Analyst
Image Analyst on 25 Nov 2014
Here's one way. Just make up each and stitch together:
x1 = linspace(0, 30, 100);
y1 = sin(x1);
x2 = linspace(30, 40, 30);
a = .15;
b = -5;
y2 = a*x2 + b;
x = [x1, x2];
y = [y1, y2];
plot(x, y, 'bo-');
grid on;
% Enlarge figure to full screen.
set(gcf, 'Units', 'Normalized', 'OuterPosition', [0 0 1 1]);
Muhammad Usman
Muhammad Usman on 26 Nov 2014
yes i got help about plotyy() in documentation but you solved my issue

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solov andrei
solov andrei on 15 May 2015

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