复数的运算 复数共轭 Z=x+yi =x-yi 2=reo E=re-i0 0 z-Re(aP+m(c斗z +=2Re(z),=2iIm(2) lexu@mail.xidian.edu.cn 矩阵论 17 复数的运算 复数共轭 y z x yi   z x yi   z x 0 i z re   i z re   z 1 1 1 2 1 2 12 12 , , z z z z z z zz zz z z     2 2 z z  2 22 zz z z z zz z z z  [Re( )] [Im( )] | | [Re( )] [Im( )] | |   z z z z zz z i z    2 Re( ), 2 Im( ) lexu@mail.xidian.edu.cn 矩 阵 论 17