Size mismatch when i am using simulink
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Song Lyu
el 17 de Jun. de 2021
Comentada: Song Lyu
el 17 de Jun. de 2021
Greetings all, i am currently using simulink to do a project, however when i run the model the mismatch error has occured, below is the code an d details of the error:
Size mismatch (size [1 x 1] ~= size [2 x 10]). The size to the left is the size of the left-hand side of the assignment. Function 'MATLAB Function2' (#370.215.216), line 9, column 1: "u"
can anyone help me to fix this problem? many thanks!!!
function u = fcn(x,y,K,P,u, Theta,Pstore)
for i=2:10
h=[x(i-1);1];
K=P*h*inv(h'*P*h+u);
Theta(:,i)=Theta(:,i-1)+K*(y(i)-h'*Theta(:,i-1));
P=(eye(2)-K*h')*P/u;
Pstore(:,i-1)=[P(1,1),P(2,2)];
end
u=Theta;
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Respuesta aceptada
Jonas
el 17 de Jun. de 2021
You have an input named 'u' and an output named 'u', with different sizes.
On line 9, the compiler thinks you are assigning the [2x10] matrix 'theta' to the [1x1] input 'u'.
Rename the output 'u'.
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