Y data addition on scatter plot

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Prasad Joshi
Prasad Joshi 2022-1-17
评论： Prasad Joshi 2022-1-18
i am plotting a scatter plot X= [ 2 ,3,4,5] Y=[10,20,30,40] scatter(X,Y) i am looking for putting y values on the scatter plot...any specific code or hint can anyone help.i am using 2016b version.Thank you in advance.
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Voss
Voss 2022-1-17
Ran in:
Well, the code - as you have it now - works:
X= [ 2 ,3,4,5]
X = 1×4
2 3 4 5
Y=[10,20,30,40]
Y = 1×4
10 20 30 40
scatter(X,Y)

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Voss
Voss 2022-1-17
Ran in:
You need to convert those cell arrays to numeric matrices before you can plot them (scatter or otherwise):
X= { 2 ,3,4,5}
X = 1×4 cell array
{[2]} {[3]} {[4]} {[5]}
Y={ 10,20,30,40}
Y = 1×4 cell array
{[10]} {[20]} {[30]} {[40]}
scatter(cell2mat(X),cell2mat(Y))
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Voss
Voss 2022-1-17
编辑：Voss 2022-1-17
Ran in:
You can use text() or annotation() or maybe datatip() for that, sounds like. Here it is with text():
X= [ 2 ,3,4,5];
Y=[10,20,30,40];
scatter(X,Y);
text(X(2),Y(2),sprintf(' (%d,%d)',X(2),Y(2)));

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Cris LaPierre
Cris LaPierre 2022-1-17
编辑：Cris LaPierre 2022-1-17
Ran in:
Use square brackets to define vectors, not curly braces. You might find MATLAB Onramp helpful, especially chapters 2, 4 & 9. Also, capitalization matters in MATLAB. X is not the same variable as x.
X= [2,3,4,5];
Y=[10,20,30,40];
scatter(X,Y)
  2 个评论
Prasad Joshi
Prasad Joshi 2022-1-17
Thank you for the answer Cris.if i want Y data on that scatter plot any specific text can you suggest for example At (3,20) it should show as data on scatter plot

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