how to simplify this system matrix ?

Hi everyone, how to simplify this system matrix in a single line for example ?

here is my system matrix :

A=[...
  B1 1;...
  B2 1;...
  B3 1;...
  B4 1;...
  B5 1;...
  B6 1];

Answer 1

[Torsten]

A=[B1 1;B2 1;B3 1;B4 1;B5 1;B6 1];

[noble amin]

thanks :)