As x is a pure real number, but y only with imaginary part.
/ M8 G- y" U8 T1 v2 K2 d# S公仔箱論壇So if want to compare these two numbers, it should compare there magnitude.
2 C. P0 Z1 B5 A, [0 s; D公仔箱論壇1. x -> 0+0i+ l2 Y% k9 [! L/ H" z
2. y -> 0+1i
' D- o( `$ t* H M" P" v/ K X% E/ vtvb now,tvbnow,bttvb4 D, i0 i4 X0 ?0 B& H
Magnitude of x is |√(0^2 +0^2)| = 0TVBNOW 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。8 }5 G1 [) S, ^- F# [* h0 V [% [
Magnitude of y is |√(0^2+1^2)| = 1
8 v7 q6 e8 ?4 _& e8 ^5.39.217.77
. u8 O, t3 A/ Y1 e. G, P5.39.217.77So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
| 
