how to copy rows and columns in a random matrix ?

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Firas Al-Kharabsheh 2016-4-18

回答： Azzi Abdelmalek 2016-4-18

if i have matrix A

 A = [ 1 0 1 1
       0 0 1 0
       0 1 0 1
       1 1 0 1 ] ;

THEN i want to generate a random binary matrix S which the first and last row IN A appear in S matrix

AND the last column In A appear in S matrix ?

S = [ 1 0 1 1
1 0 0
0 1 1
1 0 1 ]

Azzi Abdelmalek 2016-4-18

S=randi([0 1],size(A))
S([1 end],:)=A([1 end],:)
S(:,end)=A(:,end)

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