How can I draw a 3D Free Energy Diagram from a text file which has 3 columns?
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Ankita
le 28 Oct 2013
Réponse apportée : suhani nagpal
le 16 Déc 2013
Apologies if the questions of this type have been already asked but I am a complete novice in MATLAB and am seeking help to draw a free energy diagram from a text file which looks like the following: (I have also attached the file) ------------------------------------------------------------------------------ 4.20766 0.13450 15.50000 4.21207 0.13450 15.50000 4.21647 0.13450 15.50000 4.22088 0.13450 14.20000 4.22528 0.13450 11.60000 4.22968 0.13450 12.90000 4.23409 0.13450 14.20000 4.23849 0.13450 15.50000 4.24289 0.13450 15.50000 ------------------------------------------------------------------------------------ There are 16000 rows and 3 columns. The first two are my parameters and third column is the free energy value. I want to plot this data and visualize as a 3D Free energy diagram. As I am novice, I might need a detailed help please.
Kind regards
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sixwwwwww
le 28 Oct 2013
Dear Ankita, you can plot 3 columns of equal length as follows:
ID = fopen('filename.txt');
data = textscan(ID, '%f%f%f');
fclose(ID);
min(data{1})
max(data{1})
plot3(data{1}, data{2}, data{3}, '*-'), xlabel('x'), ylabel('y'), zlabel('Free energy')
I hope it helps. Good luck!
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suhani nagpal
le 16 Déc 2013
Greetings
I used your reshape script for my test file. The following error is generated:
??? Error using ==> reshape Product of known dimensions, 1641, not divisible into total number of elements, 1681.
Error in ==> untitled at 10 X = reshape(x, reshape_range, []);
Can you please assist regarding this? I'm new to matlab. Thanks
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