How to plot this graph?

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Juan Castillo 2019-11-6

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https://ww2.mathworks.cn/matlabcentral/answers/489513-how-to-plot-this-graph

评论： darova 2019-11-8

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Hi everybody, I want to do plots like this one:

I have a set of 1500 data points (as shown in the figure). Each one has a different value, like a 'Z' coordinate (for this reason each of them has different colour):

20517	3.19289	-1.52965
19289	3.19462	-1.52965
19462	3.20517	-1.52965
20517	3.20885	-1.52965
20885	3.18635	-1.52965
18635	3.19622	-1.07372
19622	3.18359	-0.84327

[SL: snipping the rest of the (several page long) data set. Showing a few points is suffficient to show what your data looks like.]

Where the first column is the x-coordinate, the second one is the y-coordinate and the third column is the value of the desired colorbar (different to the original figure)

How can I plot this? I tried with the contour function with no results, may anyone help me out?

Many thanks in advance,

Regards

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Juan Castillo 2019-11-8

And what about the contour plot? Sorry for being so insistent

darova 2019-11-8

If you look in help (contour) you will see that contour is a product of surface. You don't have surface, you have only points. Maybe i don't understand you correctly: what do you mean by contour?

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