I am reading a section in a book that talks about normal matrices, and I see the following:
A normal matrix is a matrix that commutes with its adjoint,
Eh? What do the brackets and the comma inside mean?
I am reading a section in a book that talks about normal matrices, and I see the following:
A normal matrix is a matrix that commutes with its adjoint,
Eh? What do the brackets and the comma inside mean?
The notation means that $AA^{T}-A^{T}A$=0.