Undefined function 'ga' for input arguments of type 'function_handle'.

Repeter_Optimisation=1;

while Repeter_Optimisation==1

fprintf('Entrer la fonction objective sous la forme suivante:\nf_Obj = -w1*compression-w2*flexion+w3*CoutTotal\nEntrer des valeurs positives de poids\n');

w = input('Donner le vecteur des poids [w1 w2 w3]= ');

f_Obj = @(net_inputs) sim(net,net_inputs')'*w';

LB = [-1 ;-1;-1];

UB = [1; 1;1];

Pop_Size = input('Entrer la taille de la population: ');

Criter_darret=input('Entrer la valeur de tolérancement pour arrêter les iterations: ')

options= optimset('PlotFcns',{@gaplotbestf,@gaplotstopping,@gaplotscorediversity,@gaplotscores},...

'FinDiffRelStep',Pop_Size,'Display', 'iter','TolFun',Criter_darret);

which -all ga

F_Obj = ga(f_Obj,w,[],[],[],[],LB,UB,[],options)

Valeurs_optimales = mapminmax('reverse',F_Obj',PS1)'

fprintf(' Epaisseur DensiteSurfacique\n');

Repeter_Optimisation = input('Est-ce que vous voulez repeter l optimisation?\n1:Oui\n2:Non\n ');

end

Answer 1

[Steven Lord]

Do you have Global Optimization Toolbox licensed and installed? The ga function is part of that toolbox. You can check if you have it installed by looking at the text displayed by the ver function.

ver

[DOUIRI Marwa]

thank you for your reply

I am working on a trial version of matlab, online.