1.1.复变函数与复数运算 10/59回 幅角:Argz 主值或主幅角:argz,0≤argz<2 0的幅角无明确意义 3.共轭复数 复数z的共轭复数z*定义为 z=x-iy pe-= p(cos (p-i sin p) (1.1-5) 即共轭复数x是复数z对实轴的映射复数z和其共轭复数z*之积等 于复数模的平方,即 ● First●Prev●Next●Last● Go Back● Full Screen●cose●Quit• First • Prev • Next • Last • Go Back • Full Screen • Close • Quit §1.1. EC¼ê†Eê$Ž 10/59 ̵Argz ̊½Ì̵ arg z, 0 ≤ arg z < 2π 0Ìò(¿Â 3.
ÝEê Eê z 
ÝEê z ∗ ½Â z ∗ = x − iy = ρe −iϕ = ρ(cos ϕ − i sin ϕ). (1.1-5) =
ÝEê z ∗ ´Eê z 颶N.Eê z ÚÙ
ÝEê z ∗ ƒÈ uE겐,= |z| 2 = zz∗