how to replicate the array?

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Muhammad
Muhammad 2021-8-21
编辑： TADA 2021-8-21
i have an array
a = 1 2 3
4 5 6
7 8 9
now i want
a= 1 1 2 3 3
1 1 2 3 3
4 4 5 6 6
7 7 8 9 9
7 7 8 9 9
what command do it
as padarray pad the desire number arround the martix

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TADA
TADA 2021-8-21
编辑：TADA 2021-8-21
Ran in:
a = [1, 2, 3; 4, 5, 6; 7, 8, 9];
b = a([1, 1, 2, 3, 3], [1, 1, 2, 3, 3])
b = 5×5
1 1 2 3 3 1 1 2 3 3 4 4 5 6 6 7 7 8 9 9 7 7 8 9 9
c = padarray(a, [1, 1], 'replicate', 'both')
c = 5×5
1 1 2 3 3 1 1 2 3 3 4 4 5 6 6 7 7 8 9 9 7 7 8 9 9

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