Problem 611. surrounded matrix
With a given matrix A (size m x n) create a matrix B (size m+2 x n+2) so that the matrix A is surrounded by ones:
A = [1 2 3 3 2 1]
B = [1 1 1 1 1 1 1 2 3 1 1 3 2 1 1 1 1 1 1 1]
or
A = 4
B = [ 1 1 1 1 4 1 1 1 1]
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2 Comments
goc3
on 24 Feb 2017
Additional test cases have been added.
William Katzianer
on 11 Aug 2018
nice way to learn about matrix concatenation
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