Problem 579. Spiral In
Create an m by n matrix filled with sequential integers starting from 1 and arranged in a counterclockwise spiral that hugs the outside border and begins in the upper left corner.
For example:
>> spiralIn(4,5) ans = 1 14 13 12 11 2 15 20 19 10 3 16 17 18 9 4 5 6 7 8
Solution Stats
Problem Comments
-
4 Comments
Tag "Recursion" would help in problem type classification
Richard, you can add tags whenever you want. Just click on "Add Tags".
Good suggestion, although not all solutions proposed have been recursive. Thanks!
With the process of your coding, you'll find out more and more bugs. This is why I enjoy this problem.
Solution Comments
Show commentsProblem Recent Solvers92
Suggested Problems
-
First non-zero element in each column
841 Solvers
-
Put two time series onto the same time basis
321 Solvers
-
Construct an index vector from two input vectors in vectorized fashion
380 Solvers
-
306 Solvers
-
563 Solvers
More from this Author11
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!