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Add String to Matlab Plot Annotation

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david crowley
david crowley 2021-7-26
回答： Chunru 2021-7-26
I am trying to add an annotation to a plot that uses a variable from the workspace. I have used the below code, but the only output I get is 'Pf Size:'
Can someone please assist with the syntax?
dim = [.2 .5 .3 .3];
str = ('Pf Size:' num2str(pfSize));
annotation('textbox',dim,'String',str,'FitBoxToText','on');

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采纳的回答

Chunru
Chunru 2021-7-26
Ran in:
pfSize = 2;
dim = [.2 .5 .3 .3];
str = ['Pf Size:' num2str(pfSize)]; % use [] instead of ()
plot(rand(10,1))
annotation('textbox',dim,'String',str,'FitBoxToText','on');

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