customizing point names in matlab

Question

0 个投票

Is there a way to rename the point names in matlab plots? I know the following code will label the points from 1 to k.

for i=1:length(k)  
  text(xk(i),yk(i),num2str(i))
  hold on
end

Is there a way to add a label to the points eg. s1,s2.... sk? TIA.

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Answer 1

KSSV 2017-1-11

1 个投票

x = rand(5,1) ;
y = rand(5,1) ;
s = repmat('s',5,1) ;
n = [1:5]' ;
str = strcat(s,num2str(n)) ;
plot(x,y,'.r') ;
text(x,y,str)

Ananya Malik 2017-1-11

Thank you.

Answer 2

Stephen23 2017-1-11

编辑：Stephen23 2017-1-11

1 个投票

Note that you might like to add some space between the points and the text:

X = rand(5,1) ;
Y = rand(5,1) ;
plot(X,Y,'.r') ;
txt = strcat('s',num2str((1:numel(X)).'));
text(X+0.01,Y,txt)