Creating a matrix containing binary vectors as elements
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Based on the dimension n, i want to create a matrix containing binary vectors:
For example with n=1:
A=[[-1],[0],[1]]'
n=2:
A=[[-1,-1],[-1,0],[-1,1],[0,-1],...,[1,1]]
n=3:
A=[[-1,-1,-1,-1],[-1,-1,-1,0],[-1,-1,-1,1],[-1,-1,0,-1],[-1,-1,0,0],...,[1,1,1,1]]'
Since the dimension is the input variable, I don't know how many while- or for-commands i need in advance.
Any suggestions?
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Réponse acceptée
Rick Rosson
le 22 Sep 2012
Modifié(e) : Rick Rosson
le 22 Sep 2012
N = 4;
A = zeros(3^N,N);
for k = 1:N
r = N - k;
v = [ -1*ones(3^r,1) ; zeros(3^r,1) ; ones(3^r,1) ];
A(:,k) = repmat(v,3^(k-1),1);
end
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