How to plot graphs iteratively or using for loop on the same figure?
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I have datasets that I can use to plot several graphs on the same time scale. For example the time variable is t and the variable for vertical axis is y1, y2, y3, ... y10. Manually I can use these codes: figure; hold; plot(t, y1); plot(t, y2); plot(t, y3); ... plot(t, y10);
But, how to simplify the process using iterative or for loop? The manual method will be a problem if there are many graphs to plot. We cannot manually type for example plot(t,y1) up to plot(t, y50).
Would appreciate if anyone can provide a simple code based on the example given.
Thank you.
3 Comments
Accepted Answer
Birdman
on 26 Dec 2017
Edited: Birdman
on 26 Dec 2017
Instead storing your plotting data in y1,y2,..,y50, store them in a multidimensional array where each column will represent each set of data. For instance
y(:,1)=y1
y(:,2)=y2
.
.
If you do this, all you need to do is
plot(t,y)
of course, t has to have same number of row with y array in this case.
6 Comments
Birdman
on 27 Dec 2017
Actually, you do not call it array, call it vectorizing. In either way, you need to store them in array, but vectorizing is much more faster than for loop. Of course there are some points that usage of for loop is inevitable but generally vectorizing is much more efficient. In your case, store each vector in a row of a multidimensional array by using for loop and plot them.
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