Balanced Incomplete Blocks Design BIBD's in MATLAB

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william 2016-6-17

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/290414-balanced-incomplete-blocks-design-bibd-s-in-matlab

I have been using R for creating a Balanced Incomplete Blocks (BIB) design which roughly looks like the following

                library(agricolae)
    trt<-c("1","2","3","4","5","6","7")
    k<-3  
    design.bib(trt,k,seed=1235)

I wonder if I can create a similar matrix using MATLAB with similar arrangement

     [,1] [,2] [,3]
[1,] "5"  "6"  "3" 
[2,] "7"  "3"  "4" 
[3,] "7"  "5"  "1" 
[4,] "2"  "5"  "4" 
[5,] "2"  "1"  "3" 
[6,] "2"  "7"  "6" 
[7,] "1"  "4"  "6"

Nonetheless, I found a paper on an algorithm for constructing symmetric ((r+1)v,kr,kλ)BIBDs which might work, but I was wondering if there is any other way around to this problem.