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array manipulation such as [ 1 2 5 7 3 .... ] --> [ 1 1 1 ... 2 2 2 ... 5 5 5 ... 7 7 7 ... 3 3 3 ... .... ].

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JK
JK 2017-9-17
回答： Jan 2017-9-17
Using
A = [ 1 2 5 7 3 .... ],
I would like to create
B = [ 1 1 1 ... 2 2 2 ... 5 5 5 ... 7 7 7 ... 3 3 3 ... .... ]
Can you please show me a way to do that? Thanks.

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采纳的回答

Jan
Jan 2017-9-17
repelem(A, 3)

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michio
michio 2017-9-17
A = [ 1 2 5 7 3];
tmp = repmat(A,[3,1]);
B = tmp(:)';

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