Variable Set by Non-scalar Properator??

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Kevin
Kevin le 30 Juil 2014
Hi,
In my Matlab code I am using the following equations:
if axial_induction<0.4;
C_T=(sigma_local .* ((1-axial_induction).^2) .* ((Cl.*cos(relative_wind))+(Cd.*sin(relative_wind)))) ./ ((sin(relative_wind)).^2);
else
C_T=(8/9).*(4.*F-(40/9)).*axial_induction+((50/9)-4.*F).*(axial_induction.^2);
end
axial_induction is a 9x1 array of values. However I am getting an error stating that the variable 'axial_induction' might be set by a non-scalar operator. Can anybody please help me?

Réponses (1)

Star Strider
Star Strider le 30 Juil 2014
I’m not familiar with that error (never encountered it as you describe) but this might be what you want:
for k1 = 1:length(axial_induction)
if axial_induction(k1)<0.4;
C_T(k1)=(sigma_local .* ((1-axial_induction(k1)).^2) .* ((Cl.*cos(relative_wind))+(Cd.*sin(relative_wind)))) ./ ((sin(relative_wind)).^2);
else
C_T(k1)=(8/9).*(4.*F-(40/9)).*axial_induction(k1)+((50/9)-4.*F).*(axial_induction(k1).^2);
end
end
A guess here, but that is how I would do it.

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