Simulink upper bound is not specified
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Hi,
I am trying to built a Matlab function in Simulink. The function code is provided below, but I keep getting this error: "Output 'Q' has variable size but the upper bound is not specified; explicit upper bound must be provided." I read that it is related with Simulation target and Dynamic memory allocation in Matlab is checked. Also, I checked the variable size in edit data window and set type as double.
I could not figured out what might be problem and how to solve it. Any help will be appreciated, thanks in advance.
function [Q, H] = deneme_roots(C1,C2,C3,C4,C5,C6)
r = roots([C5 (-C1+2*C4-C6) (3*C2-3*C5) (C1-2*C3+C6) -C2]);
r = r(r==conj(r)); % discard complex-conjugate roots
Jr = ((1./(r.^2+1).^2).*(r.^4*C4-2*C5*r.^3+(C1+C6)*r.^2-2*C2*r+C3))';
J = Jr;
Q = r(Jr==J); % keep Q that minimizes cost function
H = (2/(Q^2+1)^4)*(-2*C5*Q^5+(3*C1-6*C4+3*C6)*Q^4+(-12*C2+16*C5)*Q^3 ...
+(-8*C1+10*C3+6*C4-8*C6)*Q^2+(12*C2-6*C5)*Q+(C1-2*C3+C6));
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