How to Create a Surface Plot from Table Data Imported from Excel
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I am trying to create a surface plot for the excel table shown in the image below using the "surf" function. TetherK and TetherC are my inputs. Power is my output (the white cells). I can't seem to get the surf fucntion to work. I imported the data and have a table in MATLAB for TetherK, TetherC, and my Output (shown below). What do I need to do so that I can make a surface plot from tables in MATLAB?
采纳的回答
Given some test data (attached) similar to yours...
... a surface plot can be created thus...
M = readmatrix('testdata.xlsx');
[X,Y] = meshgrid(M(1,2:end),M(2:end,1));
Z = M(2:end,2:end);
surf(X,Y,Z);
The test data are random values. Hopefully, your plot will look more interesting.
1 个评论
Michaela Byrne
2022-3-4
That worked, thanks! I'm including pictures of what I did in MATLAB to get it to work in case anyone else has a similar question to what I had and wants to see what I did.
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Walter Roberson
2022-3-3
x = PlotTestS1.TetherK;
y = PlotTestS2.TetherCn
z = table2array(PlotTestS3) ;
surf(x, y, z, 'edgecolor', 'none')
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