create a [n*n] matrix.
mat(4)= [ 1 4 9 16
4 4 9 16
9 9 9 16
16 16 16 16]
Swap the first and last columns
Determine Whether an array is empty
2倍してみよう - ここからスタート！
Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .
You can also select a web site from the following list:
Select the China site (in Chinese or English) for best site performance. Other MathWorks country sites are not optimized for visits from your location.
Contact your local office