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i need to find an equation that interpolates for a 3d set of data......

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Abdul
Abdul on 20 Mar 2013
Closed: MATLAB Answer Bot on 20 Aug 2021
there is a 3d set of data... i want to find the equation that interpolates it... i m a beginner to MATLAB... i tried a few things that are not working.. i have no idea how to find such equation,,, kindly help me out...
data is as follows:
range 200 300 400 500 600 700 800... horizontal angle 15.8 20.2 25.6 31.4 37.4 43.8 50.... vertical angle -25 -25 -25 -25 -25 -25 -25....
i made a matrix of the currrent data and interpolated the data via interp2....but now i need to find an equation that can satisfy this data... n i m unable to do that...
i m using matlab 7.6.0
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Walter Roberson
Walter Roberson on 20 Mar 2013
There are an infinite number of equations that interpolate it. Which one do you want?

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Answers (2)

Babak
Babak on 20 Mar 2013
Look up the command
interp3
in MATLAB's documentation which comes with MATLAB doesn't need any specific toolbox.
Abdul
Abdul on 27 Mar 2013
probably the most simpler one that can fit this data will best suit me...

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