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how to find distance between two points?

Asked by bsd on 27 Sep 2011


I need to find the distance between two points in the figure, which I have plotted. Is there any function in matlab that could find the distance between two points. Looking for your reply.






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3 Answers

Answer by Lucas García on 27 Sep 2011
Accepted answer

You can use the pdist function in the Statistics Toolbox:

e.g: distance between points (0,0) and (2,1)

>> X = [0,0;2,1];
>> d = pdist(X,'euclidean')
d =

1 Comment

manish sharma on 30 Jun 2012

That worked for me. Thanks Lucas :)

Lucas García
Answer by Walter Roberson on 27 Sep 2011

No. You will have to code it yourself.

There are many different possible meanings for "distance". See


Walter Roberson
Answer by Fangjun Jiang on 27 Sep 2011
Pos=[x1 x2;y1 y2]


Fangjun Jiang on 27 Sep 2011

@Walter, just the dist() function in MATLAB, not associated to any particular Toolbox. help dist or doc dist will brings it up.
There are many call syntax of dist(). I though the OP wants the Euclidean distance between two points (x1,y1), (x2,y2), which should be sqrt((x1-x2)^2+(y1-y2)^2).
dist() can calculate the Euclidean distance of multiple points at once, it can certainly be used to calculate the distance for two points, although it seems to be an over-kill because the equation sqrt((x1-x2)^2+(y1-y2)^2) can do that too.
Since the OP asked for a MATLAB function, I thought this is the one.

Fangjun Jiang on 27 Sep 2011

Sorry, Walter. You are right, the dist() function is from the Neural Network Toolbox.

Fangjun Jiang on 27 Sep 2011

I am using my new MATLAB version today. It has a bunch of toolbox. Nice!

Fangjun Jiang

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