How to add different legends on a plot

Question

Reza S 2015-3-7

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https://ww2.mathworks.cn/matlabcentral/answers/181915-how-to-add-different-legends-on-a-plot

编辑： Reza S 2015-3-7

Hello,

I have a plot with two different groups of data that each should have a separate handle (See figure attached. the legend on the figure is incorrect).

I made the plot using different properties as plot

(x1,y1,fit_properties{1},'Marker',marker_style{1}) plot (x2,y2,fit_properties{1},'Marker',marker_style{2}) . . plot (xn,yn,fit_properties{2},'Marker',marker_style{1}) .. etc..

I need to have separate legends one for each line style (ls1, ls2, ls3) and the other legend for marker styles that I have four of them (like: ms1, ms2, ms3, ms4)

I do appreciate if one can help on this.

Thanks

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Answer 1

Star Strider 2015-3-7

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You can only have one legend for each figure, but your lines and markers are sufficiently different so that the legend function should have no problem displaying each uniquely and unambiguously.

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Reza S 2015-3-7

编辑：Reza S 2015-3-7

Thank you. You are right that all are sufficiently different but in this way I need to have 12=(4*3) definitions for all. I f I could have 2 legends it would be 7=(4+3). This is more important when the number of cases are increased.

Star Strider 2015-3-7

编辑：Star Strider 2015-3-7

My pleasure.

The only suggestion I have is to use the subplot function, forcing the same x and y axis limits (using the axis function) for each plot. You can then specify a separate legend for each subplot.

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