MATLAB Answers

Creating a simple 2D contour plot from data files(xlsx or txt).

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young been kim
young been kim on 29 Jan 2020
Answered: Hiro Yoshino on 4 Feb 2020
I want to create a simple contour line with a file with an extension of xlsx or txt. However, it is difficult to use the code because the data file has five lines. How should the x, y, and z values be given and how should the code be made?

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Walter Roberson
Walter Roberson on 29 Jan 2020
The data has many lines but 5 columns.
As outside observers we have no way of knowing which column has what meaning.
It looks to me as if entries of -99 indicate missing data and so those rows probably need to be removed.
After that you would probably use scatteredinterpolant()

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Answers (1)

Hiro Yoshino
Hiro Yoshino on 4 Feb 2020
Here the function for 'contour':
Give me detail if possible and then we can work on your problem.

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