As x is a pure real number, but y only with imaginary part.
& [3 t# `0 B- ^( w- dSo if want to compare these two numbers, it should compare there magnitude.
' h& i3 e1 o5 P( a: Q, u- s1. x -> 0+0i
* f8 u; K9 l- V# ^TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。2. y -> 0+1i i/ ~* b' [# o; u/ ?) d8 h7 h
3 m' Y! q8 n% D4 H4 lMagnitude of x is |√(0^2 +0^2)| = 0tvb now,tvbnow,bttvb6 {5 p, u7 F/ g6 `* D0 u7 X0 q! w) \! R
Magnitude of y is |√(0^2+1^2)| = 1
( ~; ~0 {! D$ T
( X# |& W9 W/ @% H3 ]So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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