How to create a scatter plot with three variables?

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Astro 2020-5-5

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https://ww2.mathworks.cn/matlabcentral/answers/523101-how-to-create-a-scatter-plot-with-three-variables

评论： Bjorn Gustavsson 2020-5-5

采纳的回答： Bjorn Gustavsson

scatterplot.PNG

Hello,

I have a set of data (pressure, temperature, count)->(x,y,z). Is there a way to plot this in 2D with the z plotted in colors based on the values of the counts?

Thanks!

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Bjorn Gustavsson 2020-5-5

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https://ww2.mathworks.cn/matlabcentral/answers/523101-how-to-create-a-scatter-plot-with-three-variables#answer_430370

在 MATLAB Online 中打开

you should use scatter, something like this:

psz = 23;
scatter(x,y,psz,z,'filled')

That should give you something to start with. Have a look at the help and documentation for more details.

HTH

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Astro 2020-5-5

Thank you! I think this is what I'm looking for.

Bjorn Gustavsson 2020-5-5

在 MATLAB Online 中打开

One more thing to keep in mind is the matlab command lookfor - when you cannot find/remember the name of a function you can always search with lookfor:

lookfor scatter

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