Adding extra information into a graph which is text?

2017 9 4
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更新时间：2017 9 5
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So for my appdesigned matlab gui i am plotting the data in the axes. I want to show the rsquare values of 3 models along with plotting the model outcome. However , I am unable to figure out how can I enter the rquare numbers as text into the legend entry box?

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Image Analyst
Image Analyst 2017-9-4

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Use sprintf()
legendText1 = sprintf('r squared for model 1 = %f', rSquared1);
legendText2 = sprintf('r squared for model 2 = %f', rSquared2);
legendText3 = sprintf('r squared for model 3 = %f', rSquared3);
legend(legendText1, legendText2, legendText3);

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Deandra Dsouza
Deandra Dsouza 2017-9-4
I already have a legend for the data curve. I need to additional add this information in the legend box.
Image Analyst
Image Analyst 2017-9-5
textbox = sprintf('%s\n%s\n%s', legendText1, legendText2, legendText3);
text(x, y, textBox);
Use text() and an x,y that places the text where you want it.

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