Minimisation of object function having 2d array as variables.
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Akanistha Banerjee
am 19 Jan. 2020
Beantwortet: Thiago Henrique Gomes Lobato
am 19 Jan. 2020
I want to minimise the following function using the optimtool.
![eqn.png](https://www.mathworks.com/matlabcentral/answers/uploaded_files/262446/eqn.png)
Can anyone help me with its code. I am having problem having to use 2d array as the variables.
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Thiago Henrique Gomes Lobato
am 19 Jan. 2020
Any 2D array can be represented with a vector, which is the normal input to optimization functions, so all you need to do is write your function to take a vector as input and them convert it to a matrix. A minimalist example:
x = randn(7); % Original matrix
opt = fun(x(:)); % Convert matrix to a vector for function
function opt = fun(x)
x = reshape(x,7,7) % Convert vector to matrix
%... your functio
end
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