Matrix dimensions must agree error when using element operators

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Delonte Goodman
Delonte Goodman 2020-10-14
回答： Ameer Hamza 2020-10-14
I am confused on why I keep getting the error "Matrix dimensions must agree.". I am using element operators for the variable s_g=1.21.*WS./(g*rho.*TW).
C_Lmax=1.7;
g=32.2; % ft/s^2 %
rho=0.002377; % slugs/ft^3 %
% vectors %
TW=0.25:0.01:0.60;
WS=40:1:120;
% Matrices %
TWmat=meshgrid(0.25:0.01:0.60);
WSmat=meshgrid(40:1:120);
SGmat=meshgrid(TWMat,WSMat);
s_g=1.21.*WS./(g*rho.*TW);

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Ameer Hamza
Ameer Hamza 2020-10-14
Your variables
TW=0.25:0.01:0.60;
WS=40:1:120;
have a different number of elements. The element-wise operators require that all the vectors have equal length.

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