update one plot in appdesigner

2022 6 19
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更新时间：2022 6 20
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In appdesigner, I have multiple plots, I want to update one or more. The initial plot owrks, the update not. How to do this??
Many thx form you help.
hold(app.UIAxes, 'on');
h1 = plot(app.UIAxes,(1:20),'*');
h2 = plot(app.UIAxes,(3:30),'*');
hold(app.UIAxes, 'off');
pause(5);
set(h1, 'XData', (1:20), 'YData', (20:1));
drawnow;

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Rik
Rik 2022-6-20

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This code should work, once you fix the creation of the vector: 20:-1:1.

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Leon
Leon 2022-6-20
Hello Rik,
Thx for your answer, I missed that one:-(
Rik
Rik 2022-6-20
No problem. It's a very easy mistake to make. I don't make it daily anymore, but I still ofter forget :-1:.
Maybe I should get in the habit of using :1: for upwards arrays, that way you can't forget :-1: when you need it.

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