Finding four parameters that are the closest to the prescribed value_Minimize the function?

Question

djr 2017-6-13

0
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https://ww2.mathworks.cn/matlabcentral/answers/344588-finding-four-parameters-that-are-the-closest-to-the-prescribed-value_minimize-the-function

评论： djr 2017-6-13

Hello,

I have four a cell with four arrays each containing around 5000 numbers (all arrays have the same length). I call these arrays

s,k,I,G

and

length(s)=length(k)=length(I)=length(G)=5000.

On the other hand, I have the prescribed values for these four parameters

s0,k0,I0,G0

and I need to find the combination of s,k,I,G that is closest to the values of s0,k0,I0,G0. It is important to note that s,k,I,G have to be in the same row (i.e., not s(10), k(1), I(1001), G (50000), but, for instance s(888), k(888), I(888), G(888) are the closest to s0,k0,I0,G0).

Please can you give me some hits how to tackle this problem? Would this be a minimize the function problem?

Thank you,

djr