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pos function does not work

16 次查看（过去 30 天）
Ali
Ali 2023-1-24
回答： John D'Errico 2023-1-25
Hi, In the following link: https://in.mathworks.com/matlabcentral/answers/889452-how-to-get-brushed-data-point-index-from-plot How do I use the pos function? Any specific toolbox I should have? It does not work for me (unrecognised function or variable).
  2 个评论
Torsten
Torsten 2023-1-24
Can you give a link to this function ? I cannot find it.
John D'Errico
John D'Errico 2023-1-24
@Torsten - do a search on the FEX for pos. I did, but there are many possible candidates. My best guess is the kinematics TB, since many students seem to be doing kinematics lately.

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采纳的回答

John D'Errico
John D'Errico 2023-1-25
Now that we see what is meant by pos, we see that in fact, pos is just an array. It is not a function at all.
https://in.mathworks.com/matlabcentral/answers/889452-how-to-get-brushed-data-point-index-from-plot
In that post, pos was just presumed to be a list of the coordinates of a set of points in a 3-dimensional space.

更多回答（1 个）

John D'Errico
John D'Errico 2023-1-24
编辑：John D'Errico 2023-1-24
Ran in:
which pos
'pos' not found.
We cannot tell you how to use a function that does not exist in MATLAB.
Is pos a function that would be found on the file exchange? Maybe. A short name like that may have been used multiple times,
Maybe it is a function from the kinematics toolbox.
https://www.mathworks.com/matlabcentral/fileexchange/24589-kinematics-toolbox?s_tid=srchtitle
Should we know? How?
Mybe it is found here:
https://www.mathworks.com/matlabcentral/fileexchange/60974-murphy-diagrams?s_tid=srchtitle
We cannot possibly know which function among many you are thinking about. Or possibly it is a function you or someone you know wrote.
  2 个评论
Ali
Ali 2023-1-25
https://in.mathworks.com/matlabcentral/answers/889452-how-to-get-brushed-data-point-index-from-plot
John D'Errico
John D'Errico 2023-1-25
Sigh. In the post you show, Pos is just an array. It is not a function.

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