Question

is it identity matrix? \(\left[\begin{matrix}1\end{matrix}\right]\)

Answer 1

Yes this is the 1 x 1 identity matrix.

Answer 2

Yeah I think so, 1x1

Answer 3

i thought same but in answers it says that it's not

Answer 4

probably just bad answers

Answer 5

ofcourse 1x1 is an identity matrix

Answer 6

just 1x1 is not an identity, it must have 1 :D

Answer 7

http://home.scarlet.be/math/matr.htm#An-identity-matrix-I