%Please help me with this problem, here is my code
fun = @(X1Fit,X2Fit)sum(abs(YFit-42.2573 + 0.2109.*X1Fit(1) - 0.3602.*X2Fit(2).^2));rng default % For reproducibility
nvars = 2;lb=[25 -3.38];% %lower bounds of variables
ub=[85 5.38];%%upper bounds of variables
options = optimoptions('particleswarm','SwarmSize',100,'HybridFcn',@fmincon);[x,fval,exitflag,output] = particleswarm(fun,nvars,lb,ub,options)fsurf(@(X1Fit,X2Fit)(YFit - 42.2573 + 0.2109.*X1Fit - (0.3602)*X2Fit.^2))%Error
Not enough input arguments.Error in tut1>@(X1Fit,X2Fit)sum(abs(YFit-42.2573+0.2109.*X1Fit(1)-0.3602.*X2Fit(2).^2))Error in particleswarm>makeState (line 694) firstFval = objFcn(state.Positions(1,:));Error in particleswarm>pswcore (line 169)state = makeState(nvars,lbMatrix,ubMatrix,objFcn,options);Error in particleswarm (line 151)[x,fval,exitFlag,output] = pswcore(objFcn,nvars,lbRow,ubRow,output,options);Error in tut1 (line 23)[x,fval,exitflag,output] = particleswarm(fun,nvars,lb,ub,options)Caused by: Failure in initial objective function evaluation. PARTICLESWARM cannot continue.
MATLAB: Failure in initial objective function evaluation. PARTICLESWARM cannot continue.
particleswarm cannot continue
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