As x is a pure real number, but y only with imaginary part.5.39.217.77: _1 Y" ?3 }( u: a# V
So if want to compare these two numbers, it should compare there magnitude., k, i5 P% V: z( g( _
1. x -> 0+0i* p' w% {6 t' K8 }) U# K `0 B
2. y -> 0+1i! F" F9 p( }5 I1 x- ~. ?, g2 V5 q
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。$ i6 |2 r3 i' I4 G7 ~/ ]
Magnitude of x is |√(0^2 +0^2)| = 0公仔箱論壇7 l J! l7 F$ T' H$ |) r
Magnitude of y is |√(0^2+1^2)| = 1
0 ^9 Z2 @6 _6 i1 o$ V
9 l# K4 W5 T; g. l D. x: l0 RTVBNOW 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。So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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