As x is a pure real number, but y only with imaginary part.
+ J: T- ^- V5 ~# e公仔箱論壇So if want to compare these two numbers, it should compare there magnitude.
/ a) h/ X5 k1 T7 Ztvb now,tvbnow,bttvb1. x -> 0+0iTVBNOW 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。" |/ T6 S, Y, N4 H) E: U9 |- E
2. y -> 0+1i
6 l+ T) }; G' [1 ?' I ]+ Eos.tvboxnow.com+ d9 I6 |& x s5 n- s6 W5 n9 q7 Y
Magnitude of x is |√(0^2 +0^2)| = 0tvb now,tvbnow,bttvb, Q0 f1 a' e P% Y4 f/ Q j- p
Magnitude of y is |√(0^2+1^2)| = 1tvb now,tvbnow,bttvb8 u9 Q4 [( i1 T; ^
公仔箱論壇" c+ x1 R9 H3 w- [$ m' n0 ]- R _4 M- L
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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