swiching elements of same vector

hi everybody, i have vector
X=[ 20; 0; 0;0; 100; 0;0;0;50];
i would like to have
X=[0;0;0;0;20;0;0;0;100];
so that each number take the next number case

 采纳的回答

X=[ 20; 0; 0;0; 100; 0;0;0;50]
ii=find(X~=0)'
idx=circshift(ii,[0 1])
X(ii(2:end))=X(idx(2:end))
X(ii(1))=0

更多回答(1 个)

Easy:
X = [20 0 0 0 100 0 0 50 0]'
[i,~,v] = find(X)
X(i) = [0 ; v(1:end-1)]

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