How to calculate distance between two ginput?

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VALARMATHY K 2017-11-10

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https://ww2.mathworks.cn/matlabcentral/answers/366199-how-to-calculate-distance-between-two-ginput

评论： Birdman 2017-11-10

采纳的回答： Birdman

hai friends i have to calculate distance between two ginput points and also how to calculate angle between 4 ginput.

how to calculate its length?

And how to calculate angle for this ?

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Birdman 2017-11-10

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https://ww2.mathworks.cn/matlabcentral/answers/366199-how-to-calculate-distance-between-two-ginput#answer_290326

编辑：Birdman 2017-11-10

在 MATLAB Online 中打开

%%distance  
[x,y]=ginput(2)
  len=sqrt((y(2)-y(1))^2+(x(2)-x(1))^2)
%%angle
[x,y]=ginput(4);angle=zeros(1,floor(length(x)/2));
for i=1:floor(length(x)/2)
    angle(i)=atan((y(i+2)-y(i+1))/(x(i+2)-x(i+1)));
end

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VALARMATHY K 2017-11-10

Thank you..., but i am not getting value in centimetre, but your first answer helps me.

Birdman 2017-11-10

You should not expect to get an answer in centimeter because you can not define any unit for the variable. You just assume that it is centimeter.

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