How could plot 3D surface for 4 variable ?

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Afroja Akter
Afroja Akter 2015-7-29
评论： Walter Roberson 2018-1-5
Hello everyone,
i have 4 variables, 3 are coordinates and i make these 3D array by [X,Y,Z] = meshgrid(x,y,z); and another is my fourth variable of similar size. I need to plot 4 of them together where 4th one is data variable. I used scatter3( X(:), Y(:), Z(:),[], w2(:) ) ; but this does not my desired result.
please help me.
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Alaa Hameed
Alaa Hameed 2018-1-5
Thanks for your interests. Attached a sample of my data, where: X range= 2200:50:3800 Y range= 0:.005:0.2 Z range= 0:10:500 During each loop I extract my objective function f which I want to minimize. My aim is to inspect if there is more than one minima in f values! Thanks again,
Walter Roberson
Walter Roberson 2018-1-5
In order to tell you how to plot the data, we need you to post an image or a link to an image of what style of plot you were hoping to output. Plotting with three input dimensions and one resulting dimension is not easy to do well.

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回答（2 个）

KSSV
KSSV 2018-1-5
YOu can plot the stuff, you want....have a look on surf if your data is structured. If your data is not structured, it should be unstructured, then have a look on delaunaytriangulation. For direct help, attach your data.
Walter Roberson
Walter Roberson 2018-1-5
You can use slice() and you can use isosurface(). For R2017a or later you can potentially use volumeViewer()

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