How to compute magnitude of volume
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Dear sir,
I have 216 values of P, Q and R all in mm. I got the 3D plot for it. However, I want to calculate exact magnitude of volume in mm^3.
Kindly let me know sir how to get it.
Programming I have used to obtain 3D plot is shown below and values of P, Q and R are attached in excel file.
Thanks in advance
T = readtable('Book1.xlsx', 'Sheet',1, 'Range','F1:H217');
T = table2array(T);
P=T(:,1);
Q=T(:,2);
R=T(:,3);
plot3(P,Q,R,'.');
kkk=boundary(P,Q,R);
trisurf(kkk,P,Q,R,'Facecolor','r');
xlabel('P(mm)');
ylabel('Q(mm)');
zlabel('R(mm)');
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Antworten (1)
Walter Roberson
am 14 Feb. 2021
Bearbeitet: Walter Roberson
am 14 Feb. 2021
[kkk, vol] = boundary(P,Q,R);
gives the volume inside the boundary.
The volume calculation does count on the axes all being to the same scale, that one unit in one axes is the same as one unit in another axes.
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