How to create a contour plot from 3 vectors
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Robert Jones
am 4 Feb. 2024
Verschoben: Dyuman Joshi
am 16 Feb. 2024
Hello,
I have a table with 3 columns X,Y,Z.
how do I create a contour ploy for Z(x,y)?
Thank you
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Walter Roberson
am 4 Feb. 2024
numcontours = 5;
[minx, maxx] = bounds(X);
[miny, maxy] = bounds(Y);
xv = linspace(minx, maxx);
yv = linspace(miny, maxy);
[XGrid, YGrid] = meshgrid(xv, yv);
F = scatteredInterpolant(X, Y, Z);
ZGrid = F(XGrid, YGrid);
contour(XGrid, YGrid, ZGrid, numcontours);
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Walter Roberson
am 4 Feb. 2024
numcontours = 5;
%https://www.mathworks.com/matlabcentral/fileexchange/38858-contour-plot-for-scattered-data
TRI = delaunay(X, Y, Z);
tricontour(TRI, X, Y, Z, numcontours);
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