MATLAB: Possible combinations for a vector

combinationsvector

Hi!

I have a vector s =[0,0,0,0,0,0,0,0,0] for which i wish to find out all possible combinations and also generate all possbile vectors for. A limit on each element to not be bigger than, lets say 2. So maximum would be like: s=[2,2,2,2,2,2,2,2,2]. Can someone helt me with this, please? Im going to use all the possible vectors for a plot where im going to plot all the vector values.

Best regards,

Daniel

Best Answer

You could use allcomb from FEX:

k = 0:2;
coms = allcomb(k,k,k,k,k,k,k,k,k);

as expected there are 3^9 = 19683 results

Related Solutions

MATLAB: How to generate a RANDOM matrix of 0’s and 1’s such that the number of 1’s in any column is the same.

n=6
A=zeros(n)
m=2   % number of 1 per column
for k=1:n
  idx=randperm(n,m)
  A(idx,k)=1
end

MATLAB: Generate all possible combinations for the column vectors of a matrix

E.g.,

>> B = [1;2];
>> n = 3;
>> Bcell = arrayfun(@(k)B,1:n,'uni',false);
>> C = allcomb(Bcell{:})
Warning: NARGCHK will be removed in a future release. Use NARGINCHK or NARGOUTCHK
instead. 
> In allcomb (line 63) 
C =
     1     1     1
     1     1     2
     1     2     1
     1     2     2
     2     1     1
     2     1     2
     2     2     1
     2     2     2
>> n = 4;
>> Bcell = arrayfun(@(k)B,1:n,'uni',false);
>> C = allcomb(Bcell{:})
Warning: NARGCHK will be removed in a future release. Use NARGINCHK or NARGOUTCHK
instead. 
> In allcomb (line 63) 
C =
     1     1     1     1
     1     1     1     2
     1     1     2     1
     1     1     2     2
     1     2     1     1
     1     2     1     2
     1     2     2     1
     1     2     2     2
     2     1     1     1
     2     1     1     2
     2     1     2     1
     2     1     2     2
     2     2     1     1
     2     2     1     2
     2     2     2     1
     2     2     2     2

Another way to make Bcell is

     Bcell = {B};  Bcell(2:n) = Bcell(1);

Best Answer

Related Solutions

MATLAB: How to generate a RANDOM matrix of 0’s and 1’s such that the number of 1’s in any column is the same.

MATLAB: Generate all possible combinations for the column vectors of a matrix

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