changing the location of num2str

Question

KalMandy 2017-1-11

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回答： Walter Roberson 2017-1-11

Hi, I am using the following to illustrate the index of the (x,y) location inside a polygon. text(x(i),y(i),num2str(i) With the above code I get the numbers exactly on the (x,y) point. Does someone know how to change that location?

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Answer 1

Stephen23 2017-1-11

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编辑：Stephen23 2017-1-11

在 MATLAB Online 中打开

Add an offset to the x (and/or y) location:

 d = 0.01;  
 text(x(i)+d,y(i),num2str(i))

Remember that x and y are data units: you will need to pick a value of d that makes sense for your data.

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KalMandy 2017-1-11

Thank you very much!

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Answer 2

Walter Roberson 2017-1-11

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text() offers horizontal and vertical alignment options so that you can say whether the text is to begin at that coordinates or end there or be centered there.