how to pad the matrix with ones?

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Muhammad
Muhammad il 21 Ago 2021
Risposto: Walter Roberson il 21 Ago 2021
i want to padded the input matixe of any row and colum with one
for eaxmple if i take input matrix A
A = 1 2 3
4 5 6
7 8 9
then padden one should be
A = 1 1 1 1 1
1 1 2 3 1
1 4 5 6 1
1 7 8 9 1
1 1 1 1 1
for it is there is any command or if not then what will be the code

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Walter Roberson
Walter Roberson il 21 Ago 2021
A = [1 2 3
4 5 6
7 8 9]
A = 3×3
1 2 3 4 5 6 7 8 9
B = padarray(A, [1 1], 1)
B = 5×5
1 1 1 1 1 1 1 2 3 1 1 4 5 6 1 1 7 8 9 1 1 1 1 1 1

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