Evaluate Function at different data points from vectors
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Jalal Hassan
el 28 de Jun. de 2020
Comentada: Joseph Moore
el 9 de Jun. de 2022
I have three vectors
x = [ 0.05 0.06 ]
y = [ 1.23 1.41 ]
z = [ 0.1 0.2]
Now I want to evaluate function at all values such as
f(0.05,1.23,0.1)=2.6629
f(0.05,1.23,0.2)=2.7629
f(0.05,1.41,0.1)=3.1381
f(0.05,1.41,0.2)=3.2381
f(0.06,1.23,0.1)=2.6729
f(0.06,1.23,0.2)=2.7729
f(0.06,1.41,0.1)=3.1481
f(0.06,1.41,0.2)=3.2481
These values should be saved in a vector.
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Thiago Henrique Gomes Lobato
el 28 de Jun. de 2020
Editada: Thiago Henrique Gomes Lobato
el 28 de Jun. de 2020
Use meshgrid to generate all combinations and make your function accept vector entries. Ex:
f = @(x,y,z)x.*y+z; % Insert your function
x = [ 0.05 0.06 ];
y = [ 1.23 1.41 ];
z = [ 0.1 0.2];
[XX,YY,ZZ] = meshgrid(x,y,z); % Create all possible combinations
w = f(XX(1:end),YY(1:end),ZZ(1:end))
w =
0.1615 0.1705 0.1738 0.1846 0.2615 0.2705 0.2738 0.2846
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