Use simulannealbnd without specifying the Upper andd lower bound
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Is it possible to use the simulannealbnd without actually specifying the lowerbound and upper bound, yet adding ither options to the functions?
For ex for: [x,fval,exitflag,output] = simulannealbnd(fun,x0,lb,ub,options), I specified lb=[],ub=[]
I got error saying LB must be a double.
What could've been the problem?
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回答 (2 件)
Sam Chak
2022 年 9 月 1 日
There is no issue in this example. Perhaps, try clearing lb and ub variables from the Workspace.
fun = @(x) x.^4 - 16*x.^2 + 5*x;
fplot(fun), grid on, xlabel('x'), ylabel('f(x)')
x0 = 0;
% lb = -5;
% ub = 5;
options = optimoptions(@simulannealbnd, 'MaxIterations', 150)
% x = simulannealbnd(fun, x0, lb, ub, options)
x = simulannealbnd(fun, x0, [], [], options)
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