How to plot a 3d plot (surf) from an XYZ table, X and Y coming from for loops?
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I know this question is similar to almost all the questions on 3d plot, but I want to understand how I can improve my script ahead when writing the for loops. And later easily plot the surf plot.
I have this code (not I MWE, I give the output directly after:
for tau=1:2
for phi=0:25
fraconnect=sum(sum(phi))/25
%here I'm calling a function (not here) that integrates phi and tau
[t, m]=ode45(@Diff_con,[0 T],phi, tau)
nb=sum(sum(m));
prev=[prev; nb, tau, fraconnect]; %so here I'm not interested in getting phi out
end
end
and I get a real table that I'd like to turn into a surf plot:
prev=
1.0649 1 0.04
1.0018 1 0.08
1.0649 1 0.12
1.1463 1 0.16
1 1 0.2
1.1285 1 0.24
1.0827 1 0.28
1 1 0.32
1.258 1 0.36
1.3202 1 0.4
1.2086 1 0.44
1.5489 1 0.48
1.479 1 0.52
1.8405 1 0.56
1.9672 1 0.6
1.294 1 0.64
3.3 1 0.68
7.4016 1 0.72
5.9797 1 0.76
11.438 1 0.8
22.9 1 0.84
75.764 1 0.88
95.413 1 0.92
187.06 1 0.96
325.6 1 1
1 2 0.04
1 2 0.08
1.5709 2 0.12
1.2779 2 0.16
1.257 2 0.2
1 2 0.24
1.9758 2 0.28
10.729 2 0.32
6.5317 2 0.36
166.99 2 0.4
222.71 2 0.44
13.212 2 0.48
609.52 2 0.52
819.03 2 0.56
1174.8 2 0.6
1234.7 2 0.64
1403.5 2 0.68
1494.2 2 0.72
1459 2 0.76
1649.3 2 0.8
1784.2 2 0.84
1865.8 2 0.88
1979.3 2 0.92
2074.3 2 0.96
2166.2 2 1
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Réponse acceptée
Mischa Kim
le 24 Juil 2014
hibou, use
X = reshape(prev(:,1),[],2);
Y = reshape(prev(:,2),[],2);
Z = reshape(prev(:,3),[],2);
surf(X,Y,Z)
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