Find the function from a given table with 4 variables
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Emre Tunc
el 18 de Sept. de 2016
Respondida: Emre Tunc
el 18 de Sept. de 2016
Hi I am stuck on this function. I have a table with 4 differents variables like X=1 1.3 1.5 1.9 Y= 0.6 0.9 1.19 1.89 Z=-1 -1.5 -2.5 -3.6 T= 0.5 0.4 0.2 -1 How can I find a function between those variables?
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John D'Errico
el 18 de Sept. de 2016
Editada: John D'Errico
el 18 de Sept. de 2016
You can do no more than linear for predictions, since you have 4 variables, and only 4 data points. It would probably be of the form
T = a1 + a2*X + a3*y + a4*z
so indeed linear. You could choose any of the 4 variables as the dependent variable here, since again, it is linear.
A = [ones(4,1),X(:),Y(:),Z(:)]\T(:)
The coefficients will be in the vector A.
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