num = 5;
A=rand(3,num);
E=[ones( 1,num); Answer]
-Ones (1, num)- Defines a 1 array with 1 rows and num columns, where a is a matrix of x rows and num columns.
The first line of e is ones( 1, num), and the second line to the last line of e is matrix A.
personal file
Thai name:? (Pakorn? Lam)?
Nickname: (do