Plotting Two Data Sets on a Figure

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I have two sets of data which can be plotted as a sets of discrete points given by (x,y) coordinates on a 2D plot. Is there some way that I can manually plot both sets of points, join the points to have two separate curves for the two data sets and then have a legend corresponding to the points used for the plotting? If easier, I could enter the data sets as arrays by creating the matrix and then plotting from it.
I did something similar before in this case it was something like a scatter diagram whereas here I need to join the points.

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Cris LaPierre
Cris LaPierre il 24 Mar 2020
Something like this?
Use the hold command.
x = linspace(-pi,pi);
y1 = sin(x);
plot(x,y1)
hold on
y2 = cos(x);
plot(x,y2)
hold off
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Hollis Williams
Hollis Williams il 3 Apr 2020
I did try this but it does not produce anything on the figure, I think the trouble is that I am plotting points one-by-one manually rather than creating a curve in the first place. I am just wondering if there is some way to plot all the points as dashes such that each dash points towards the next point and you end up with a dashed curve.
Cris LaPierre
Cris LaPierre il 3 Apr 2020
Bad example. Sorry. Yes, line styles don't apply if you are plotting the points one at a time. You'll need to use a marker. Check out the link I shared. That shows you the available marker styles.

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