How to set different marker and marker edgecolor on single line in Plot?

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Alex Zai
Alex Zai 2022-9-14
评论： dpb 2022-9-15
Hello sir!
I want to set different marker and marker edgecolor on single line in Plot? Please, how can i do that, Thanks a lot!
Here example variable x, y. When under the value 12 (red line in photo), i want to set different marker and color for that two points.
x = 1:11;
y = [30 27 31 28 9 34 33 35 33 33 10];
y1 = 12;
p = plot(x,y,'-k', 'Marker', '*', 'MarkerEdgeColor','g');
hold on;
plot(x,y1*ones(size(x)),'LineStyle','--');
hold off;

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采纳的回答

dpb
dpb 2022-9-14
plot is a single object for each line -- ergo, each line can have only one linestyle (colors, marker, line). To have a second marker/color/etc. means another line...
x = 1:11;
y = [30 27 31 28 9 34 33 35 33 33 10];
y1 = 12;
hL=plot(x,y,'-k', 'Marker', '*', 'MarkerEdgeColor','g');
hold on;
yline(y1,'LineStyle','r--')
ix=(y<y1); % the offending locations
hL(2)=plot(x(ix),y(ix),'xr'); % put red 'X' there...
Can set any/all of the marker properties as desired -- "salt to suit".

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