[問題] 產生這種矩陣已回收
給定一個矩陣
[ 1 2 3]
A = [ 4 5 6]
[ 7 8 9]
想要每個element重複四次,像這樣
[ 1 1 2 2 3 3]
[ 1 1 2 2 3 3]
[ 4 4 5 5 6 6]
AA = [ 4 4 5 5 6 6]
[ 7 7 8 8 9 9]
[ 7 7 8 8 9 9]
要用什麼指令產生呢?
謝謝大家。
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