function C2 = conj(C)
% @komplex/conj - komplexne sdruzene cislo
% C2 = conj(C)

C2 = C;
C2.imag = -C2.imag;

% nebo:
% C2.real = C.real;
% C2.imag = -C.imag;
% C2 = class(C2,'komplex');