Plotting three variables in a 2D coloured plot

2019 4 30

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I have 3 column data file, where x is Frecuency, y is Azimuth and z is Spectrum Amplitude.

I want to plot the values in a coloured plot where every pair of data (Frecuency, Azimuth) has an Amplitude value related to a colour.

The result should be as in the image.

Is it a cotour plot? Image plot?

Thank you very much in advance.

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Bob Thompson 2019-4-30

Do you know about contour, contourf, and mesh?

KSSV 2019-4-30

编辑：KSSV 2019-4-30

It depends on how you datar is.....you have a column matrix data? Or the data is already in matrix form?

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