Optimtool not enough arguments

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Yashwardhan Panwar 2020-3-8

回答： Koushik Vemula 2020-3-12

both while running the code and optimtool i get the error that not enough arguments

function ar = fun(a)

A=[8+a 1

2 3];

ar =det(A);

end

Error in the following problem input(s):

objective: Not enough input arguments.

i dont't know. Is there a way then to optimise a function?

Walter Roberson 2020-3-9

Yes, there are a number of ways to optimize a function. For example,

a_guess = randi([-1e6 1e6]);
best_a = fmincon(@fun, a_guess)

In the case of this particular function, the optimal would be -inf

Koushik Vemula 2020-3-12

According to my understanding you are facing this problem because of the way you are trying to access the function.

You need to store your function in a separate ‘.m’ file (say ‘XYZ.m’)

Now you can call the function in this manner

XYZ(a) % a – your desired number

If you try to run a file which contains the definition of a function which has input arguments then you'll get those errors which you've faced

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