how to vary data length in the given code.There are 7 sites an each site having different data length.For example n1=18, n2=29 and so on N=number of sites are 7.

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Namrata Chandel 2022-5-5

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https://ww2.mathworks.cn/matlabcentral/answers/1712235-how-to-vary-data-length-in-the-given-code-there-are-7-sites-an-each-site-having-different-data-lengt

评论： dpb 2022-5-6

for i=1:500
    for j=1:7
        b0(j,:,i)=D(j,:,i)/46;
        for k=1:45
            b1(j,k,i)=(D(j,k,i)*(46-k))/(46*45);
            for m= 1:44
                b2(j,m,i)=(D(j,m,i)*(46-m)*(46-m-1))/(46*45*44);
                for n=1:43
                    b3(j,n,i)=(D(j,n,i)*(46-n)*(46-n-1)*(46-n-2))/(46*45*44*43);
                end
            end
        end
    end
end

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Namrata Chandel 2022-5-6

b0(j,:,i)=D(j,:,i)/46; here 46 is length of the data of site 1.

dpb 2022-5-6

First, turn the calculation into a function that operates over the size of the inputs passed into it instead of hardcoding fixed limits for loops.

Then read in the data for each case into an array and call your function with it.

As noted above, the problem arises when you use hardcoded constants in the code instead of variables and also in not factoring out the code that does the same operations over each data set into a separate, callable function.

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