Which of the following is known as Hadamard matrix?

Question

TuteeHUB · Accepted Answer

(  begin{bmatrix}1 & 1 & 1 & 1     1 & 1 & 1 & 1      1 & 1 & 1 & 1     1 & 1 & 1 & 1   end{bmatrix}   )

TuteeHUB · Answer

(  begin{bmatrix}1 & 0 & 1 & 0     0 & 1 & 0 & 1     1 & 0 & 1 & 0     0 & 1 & 0 & 1  end{bmatrix}   )

TuteeHUB · Answer

(  begin{bmatrix}1 & -1 & 1 & -1     1 & -1 & 1 & -1     1 & -1 & 1 & -1     1 & -1 & 1 & -1   end{bmatrix}   )

TuteeHUB · Answer

(  begin{bmatrix}1 & 1 & 1 & 1     1 & 1 & 1 & 1      1 & 1 & 1 & 1     1 & 1 & 1 & 1   end{bmatrix}   )

TuteeHUB · Answer

(  begin{bmatrix}0 & 0 & 0 & 0     0 & 1 & 1 & 0      0 & 1 & 1 & 0     0 & 0 & 0 & 0   end{bmatrix}   )

1.	Which of the following is known as Hadamard matrix?
A.	( begin{bmatrix}1 & 0 & 1 & 0 0 & 1 & 0 & 1 1 & 0 & 1 & 0 0 & 1 & 0 & 1 end{bmatrix} )
B.	( begin{bmatrix}1 & -1 & 1 & -1 1 & -1 & 1 & -1 1 & -1 & 1 & -1 1 & -1 & 1 & -1 end{bmatrix} )
C.	( begin{bmatrix}1 & 1 & 1 & 1 1 & 1 & 1 & 1 1 & 1 & 1 & 1 1 & 1 & 1 & 1 end{bmatrix} )
D.	( begin{bmatrix}0 & 0 & 0 & 0 0 & 1 & 1 & 0 0 & 1 & 1 & 0 0 & 0 & 0 & 0 end{bmatrix} )
Answer» C. ( begin{bmatrix}1 & 1 & 1 & 1 1 & 1 & 1 & 1 1 & 1 & 1 & 1 1 & 1 & 1 & 1 end{bmatrix} )

Discussion