Inner matrix dimensions must agree error in ga
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shirin mhd
am 3 Apr. 2022
Kommentiert: Star Strider
am 3 Apr. 2022
Hi every one
I have this function and constraint as below for optimizing by ga.
function=1.11e-4*((z).^2)-(4.46e3*(z))
A=[1;-1]
b=[1.97e8;0]
P1= ga(@(z) (1.11e-4*((z).^2)-(4.46e3*(z))),1,[1;-1],[1.97e8;0]);
and after run this error apears:
Error using *
Inner matrix dimensions must agree.
Error in isTrialFeasible (line 59)
constrViolation = Aineq*X-bineq;
Error in gacreationlinearfeasible>feasibleLHS (line 187)
feasible = isTrialFeasible(initialPopulation,linCon.Aineq,linCon.bineq, ...
Error in gacreationlinearfeasible (line 41)
feasiblePop = feasibleLHS(individualsToCreate,GenomeLength,options);
Error in makeState (line 29)
state.Population = feval(options.CreationFcn,GenomeLength,FitnessFcn,options,options.CreationFcnArgs{:});
Error in galincon (line 17)
state = makeState(GenomeLength,FitnessFcn,Iterate,output.problemtype,options);
Error in ga (line 359)
[x,fval,exitFlag,output,population,scores] = galincon(FitnessFcn,nvars, ...
Error in checknevis (line 1)
P1= ga(@(z) (1.11e-4*((z).^2)-(4.46e3*(z))),1,[1;-1],[1.97e8;0]);
>>
what should i do???
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Star Strider
am 3 Apr. 2022
There is only one parameter, however it has two conflicting constraints.
The constraints are:
Unless there is something about this that I am missing, it would probably be better to put those as the ‘lb’ and ‘ub’ bounds instead:
lb = 0;
ub = 1.98e8;
P1= ga(@(z) (1.11e-4*((z).^2)-(4.46e3*(z))),1,[],[],[],[],0,1.9e8)
.
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