Finding out the gradient for a set of points in three dimensional coordinates.

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Pratik Pandya
Pratik Pandya 2019-1-29
回答： Harshita Gupta 2019-2-8
Hi ,
i am trying to find the value of velocity for a three dimensional set of points (X,Y,Z) , I have already found out he distances between the set of consecutive values and the points are in three dimensional coordinates.
I have the value of time as well between the consecutive set of points.Have a look on to the set of values in excel sheet attached.
Any help.Quiver plots are not helping me out showing errors.

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回答（1 个）

Harshita Gupta
Harshita Gupta 2019-2-8
In order to calculate the velocity given set of 3D points and time stored in an excel sheet, please follow the steps below :
  • Read excel sheet using function " xlsread".
https://www.mathworks.com/help/matlab/ref/xlsread.html
  • Calculate euclidean distance using "norm".
https://www.mathworks.com/help/matlab/ref/norm.html
  • Calculate velocity.

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