Dimension of V in 2x2 Hermetic Matrix

[TuviaDaCat]

V is the vector plane of all hermetic matrix in order of 2x2.
what is the dimension of V?

 

[HallsofIvy]

"Hermetic matrix"? Is it possible you mean "Hermitian" matrices of order 2x2? I don't recognize the term "hermetic" matrix and google gives references to biology and "Bolognese Humanism"!

 

[TuviaDaCat]

first of all, erg.. wrong forum
second i used a term also used in hebrew... the nature of the word isn't in hebrew so i thought its global, anyway sry wrong forum