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How do I interpolate 3 variables to create a scatter plot?

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Carlo Di Giovine
Carlo Di Giovine on 12 Dec 2016
Answered: Walter Roberson on 13 Dec 2016
Hello everyone! I have 3 variables: frequency, amplitude and reflection coefficient in form of 41x10 arrays.
Now I would need to interpolate those reflection coefficients in smaller gaps of frequencies and amplitudes (i.e. 10 Hz instead of 20 Hz) in order to increase the resolution of my scatter plot.
Can someone help me?
Many thanks. Carlo

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Accepted Answer

Adam
Adam on 12 Dec 2016
doc interp2

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Carlo Di Giovine
Carlo Di Giovine on 13 Dec 2016
it seems not so easy using that. I do not have monotonically increasing variables.

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More Answers (1)

Walter Roberson
Walter Roberson on 13 Dec 2016
griddata and then sample at the appropriate grid locations

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