Why can I not plot in app designer?

2019 4 13
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更新时间：2019 4 14
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Hey everyone. I am trying to import three numbers into an array called A, and just simply plot them in app designer. But the graph I have does not show up anything... it just does not plot... I genuinely don`t understand why...
% Button pushed function: StartanalysisButton
function StartanalysisButtonPushed(app, event)
A = importdata('jerk_metric.txt');
app.UIAxes.YLim = [-1 1];
app.UIAxes.XLim = [-1 1];
plot(app.UIAxes, A);
end

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Geoff Hayes
Geoff Hayes 2019-4-13
What can you tell us about A? Is it an empty matrix? If not, does the data fit within the limits that you have defined for the axes?
Lala0099
Lala0099 2019-4-13
A is just 3 numbers: 0.54,0.65,0.43 It does fit in the limits
Lala0099
Lala0099 2019-4-13
I have 6 .m files all connected and the variables stored in A are the result of a function. So i tried saving it in differemt files tyoes (txt, xls) but could not use it in gui or app designer

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 采纳的回答

Chris Portal
Chris Portal 2019-4-14

1 个投票

The data doesn’t fit within your limits. By only specifying the A vector you mentioned, you are only specifying the Y axes values to PLOT. This means PLOT uses [1 2 3 ...] as your X axes values, which puts your data outside the limits you specified.

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