Matlab error: Error using simulannealbnd Too many input arguments. Error in mainsa (line 12) [x, fval, exitflag, output] = simulannealbnd(abc, x0, [], [], lb, ub, options);

Question

ASWATHI V 2019-4-9

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/455366-matlab-error-error-using-simulannealbnd-too-many-input-arguments-error-in-mainsa-line-12-x-fv

编辑： Walter Roberson 2024-4-25

clc;
clear all;
close all;
abc = @function1;
x0 = 0;
lb = 0;
ub = 0.7;
options = saoptimset('OutputFcns',@outputfunction)
[x, fval, exitflag, output] = simulannealbnd(abc, x0, [], [], lb, ub, options);

While running the above code it shows some error:

Error using simulannealbnd

Too many input arguments.

Error in mainsa (line 12)

[x, fval, exitflag, output] = simulannealbnd(abc, x0, [], [], lb, ub, options);

How can I solve this?

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Answer 1

Lokesh 2024-4-25

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Hi ASWATHI,

The correct syntax for the 'simulannealbnd' function is as follows: "simulannealbnd(fun,x0,lb,ub,options)". Based on your code, it seems that you are passing an extra argument in your function call. To resolve this issue, you should modify your function call from:

%Existing function call
[x, fval, exitflag, output] = simulannealbnd(abc, x0, [], [], lb, ub, options);
%Modified function call 
[x, fval, exitflag, output] = simulannealbnd(abc, x0, lb, ub, options);

This adjustment removes the extra argument, aligning the call with the expected syntax and should solve the issue.

Refer to the following MATLAB documentation for more information on 'simulannealbnd':

https://www.mathworks.com/help/gads/simulannealbnd.html