- #1

- 708

- 20

[tex]\begin{bmatrix}

0 & 1 \\[0.3em]

1 & 0 \\[0.3em]

\end{bmatrix}[/tex],

[tex]\begin{bmatrix}

0 & -i \\[0.3em]

i & 0 \\[0.3em]

\end{bmatrix}[/tex]

[tex]\begin{bmatrix}

1 & 0 \\[0.3em]

0 & -1 \\[0.3em]

\end{bmatrix}[/tex]

and

[tex]\begin{bmatrix}

1 & 0 \\[0.3em]

0 & 1 \\[0.3em]

\end{bmatrix}[/tex]

What about in the case of real 2x2 matrices? How many matrices is there in the basis?