How to fit 5 dimensional independent variables with respect to 2 dimensional dependent variables

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gullnaz shahzadi 2019-4-5

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https://ww2.mathworks.cn/matlabcentral/answers/454734-how-to-fit-5-dimensional-independent-variables-with-respect-to-2-dimensional-dependent-variables

回答： Matt J 2019-4-9

采纳的回答： Matt J

Hi, I am trying to fit a polynomial regression on my problem,

X = [x1,x2,x3,x4,x5] have 300 samples

Y = [y1,...,y32], 300 samples.

I can fit x1 and y1 by polyfit(x1,y1,degree of polynomial);

but i want to consider the whole set of input and output.

is there any toolbox or example code that can work for my problem.

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A. Sawas 2019-4-6

Explore the neural network fitting toolbox (nftool)

gullnaz shahzadi 2019-4-9

if i want to fit the data as, x = [x1,x2,x3,x4,x5] and y = y1, i tried to use polyfitn, but that is not in my Matlab2016, how can i use this toolbox for my problem?

x and y are 300 samples.(vectors).

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Matt J 2019-4-9

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https://ww2.mathworks.cn/matlabcentral/answers/454734-how-to-fit-5-dimensional-independent-variables-with-respect-to-2-dimensional-dependent-variables#answer_369809

polyfitn is downloadable here

https://www.mathworks.com/matlabcentral/fileexchange/34765-polyfitn

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