How to update values ​​in a graph taken from a slider

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Carlos Zuñiga
Carlos Zuñiga 2012-12-9
I'm programming a PID (GUI) for a control system, but I have problems with the sliders. I can not make the graph updates as you move the slider.
I have to do that every time the slider is moved to update the graphics, without pressing any additional buttons.

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回答（1 个）

Azzi Abdelmalek
Azzi Abdelmalek 2012-12-9
You need to insert a plot function inside a slider function callback.
  2 个评论
Carlos Zuñiga
Carlos Zuñiga 2012-12-9
编辑：Carlos Zuñiga 2012-12-9
Yes, the problem is that the data is not updated automatically.
e.g.
slider1_Callback function (hObject, eventdata, hand ....
h = get (handles.slider1, 'value')
sys = feedback (sys, h)
axes (handles.axes1)
rlocus (sys)
grid on
But when you move the slider the graph does not change.
Azzi Abdelmalek
Azzi Abdelmalek 2012-12-9
What is sys? can you post the full slider1_Callback function?

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