Question

what is hermitain matrix

Answer 1

Hermitian matrix. A square matrix such that aij is the complex conjugate of aji for all elements aij of the matrix i.e. a matrix in which corresponding elements with respect to the diagonal are conjugates of each other

Answer 2

this is a type of modern type of matrix
a square matrix is said to be hermitain if aij=aij bar
that is in which every element in matrix correspond to diagonals are conjugates to other matrix