plot graph, and add value
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Moving Boll to arrow direction
output is medium value
But output is string print, How to value printing
output=((x_mving-x_start)^2+(y_mving-y_start)^2)^0.5
xt=(x_start+x_mving)/2;
yt=(y_start+y_mving)/2;
str = 'output';
tt=text(xt,yt,str);
采纳的回答
x = (1:10)' ;
y = rand(size(x)) ;
plot(x,y,'.r')
hold on
text(x,y,num2str(y))
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