How to fix "Subscripted assignment dimension mismatch," in a for loop?
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for k=1:length(index)
syms w
W_TO(k) = vpasolve(((C1(k)+C5(k))*(w^1.195))+(C2*(w^.235))+((C3+C4(k)+C6(k)+C7+C10-1)*w)+(C8+C9)==0,w);
end
The error message I get it is: "Subscripted assignment dimension mismatch.
Error in sym/privsubsasgn (line 1107) L_tilde2 = builtin('subsasgn',L_tilde,struct('type','()','subs',{varargin}),R_tilde);
Error in sym/subsasgn (line 944) C = privsubsasgn(L,R,inds{:});
Error in Weight (line 250) W_TO(k) = vpasolve(((C1(k)+C5(k))*(w^1.195))+(C2*(w^.235))+((C3+C4(k)+C6(k)+C7+C10-1)*w)+(C8+C9)==0,w);"
For each k value, I should be getting one value for W_TO. My guess is that there is no analytical solution to this expression. I would appreciate the advice anyone can give on fixing this issue.
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Star Strider
le 11 Avr 2018
I cannot run your code because I do not have the constants.
Your guess may be correct. However saving ‘W_TO’ as a cell array instead may at least prevent the error your code is currently throwing:
W_TO{k} = vpasolve(((C1(k)+C5(k))*(w^1.195))+(C2*(w^.235))+((C3+C4(k)+C6(k)+C7+C10-1)*w)+(C8+C9)==0,w);
You can sort out any multiple results for each ‘k’ iteration after the loop completes.
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Walter Roberson
le 11 Avr 2018
MATLAB was not able to find numeric solutions for those three cases. Possibly they do not exist, or possibly it is just too hard for MATLAB.
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