Split 2 lines of a matrix?
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dpb
2019년 6월 1일
B=[A(3:4,:);A]; % create new array keeping old
A=[A(3:4,:);A]; % new array replaces/augments old
More generically,
N=2; % number rows at end to add to beginning
A=[A(end-N+1:end,:);A]; % add N last lines at beginning
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dpb
2019년 6월 6일
Just a simple substitution of variables from the explicit case--with the generic ML function end for the last row and the expression for the row number from the end to pick up N rows.
For your specific case that picked up two rows and has size(A,1)==>4, plug in the values and see what you get...
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