MATLAB: Expand Array matrix array I have an array [1,2,3,4] i want to have an array that is 1 2 3 4 1 2 3 4 1 2 3 4 and so on. so pretty much an array with columns with the same number but rows a different number Best Answer >> doc repmat Related SolutionsMATLAB: How to create the array [1, 2,2 ,3, 3, 3, 4,4 4, 4] >> V = 1:10;>> floor(sqrt(2*V)+1/2)ans = 1 2 2 3 3 3 4 4 4 4 MATLAB: How to replace half the number of specific element in an array To change random columns:>> A=[1 2 3 4 4 1 2 4 4 3 4 4 4 2 1 3 4 4 4 2 1 4 4]A = 1 2 3 4 4 1 2 4 4 3 4 4 4 2 1 3 4 4 4 2 1 4 4>> nnz(A==4)ans = 12>> idx = find(A==4);>> num = numel(idx);>> A(idx(randperm(num,ceil(num/2)))) = 2A = 1 2 3 2 2 1 2 4 4 3 2 4 2 2 1 3 2 4 4 2 1 2 4>> nnz(A==4)ans = 6 Related QuestionHow can i delete every row with the same numberExpanding MatrixHow to genneral a repeat arrayExpand array within for loop
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