I need help in these errors

these errors were displayed while running this program

for n = 1:size(pos,1)
	if isempty(nonlcon)
        
		[pos(n,:), foo, exitflag(n)] =...
			linprog([],Aineq,bineq,Aeq,beq,lb,ub,pos(n,:),LocalOptions); %#ok<*ASGLU>
	else
		[pos(n,:), foo, exitflag(n)] =...
			fmincon(@void,pos(n,:),Aineq,bineq,Aeq,beq,lb,ub,nonlcon,LocalOptions);
	end

ERROR

Error using linprog (line 181)
Invalid choice of Algorithm for LINPROG. Choose 'interior-point', 'dual-simplex' or 'interior-point-legacy'.

Error in pso>psogenseed (line 649)
			linprog([],Aineq,bineq,Aeq,beq,lb,ub,pos(n,:),LocalOptions); %#ok<*ASGLU>

THANK YOU

[Walter Roberson]

What is in LocalOptions ?

I would note that the Algorithms available or linprog are not the same as the algorithms available for fmincon, so you cannot just use the same options structure for both.

I would also note that whether nonlcon is empty or not does not depend upon the outputs of the loop, so it is more efficient to make the test outside the for loop.

[loukmane el khaldi]

What is in LocalOptions ?

LocalOptions = optimset('LargeScale','off',...
	'Algorithm','active-set',...
	'Display','off') ;

I will try to do the test outside the for loop.

Thank you Sir