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]
Solution Stats
Problem Comments
-
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
Solution Comments
Show commentsProblem Recent Solvers1172
Suggested Problems
-
17487 Solvers
-
Find the two most distant points
2744 Solvers
-
328 Solvers
-
"Low : High - Low : High - Turn around " -- Create a subindices vector
527 Solvers
-
Replace multiples of 5 with NaN
432 Solvers
More from this Author9
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!