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]
Additional test cases have been added.
nice way to learn about matrix concatenation
Find the two most distant points
1146 Solvers
Program an exclusive OR operation with logical operators
585 Solvers
Back to basics 23 - Triangular matrix
499 Solvers
Flag largest magnitude swings as they occur
495 Solvers
765 Solvers