Deletion of All-ones vector

Comment: It started with this question, eference_desk/Archives/Mathematics/2009_December_27#The_all-ones_vector.2C_and_how_to_notate_it| The all-ones vector, and how to notate it, on the reference desk, after which the questioner then seemed to think it was worthy of its own article. In some ways almost notable in a "how not to follow up on a unresolved RD post" way. But as a maths topic no
Stance: delete
Cited policy: Wikipedia:Redirect (WP:R)