As x is a pure real number, but y only with imaginary part.- c( M" K7 n. \6 B8 `
So if want to compare these two numbers, it should compare there magnitude.
% ]! p. w; m7 S+ ~3 J; [8 b公仔箱論壇1. x -> 0+0itvb now,tvbnow,bttvb& M* q7 V8 ]: J) `
2. y -> 0+1i
( O0 [" _2 A/ p1 F8 q! E5 |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。+ |, y; W/ M$ ^* U
Magnitude of x is |√(0^2 +0^2)| = 0
( k3 {9 `' c# F8 G. R+ Y N4 |* Dtvb now,tvbnow,bttvbMagnitude of y is |√(0^2+1^2)| = 1TVBNOW 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。% M; i. b: b5 ~) |$ s7 I2 A
tvb now,tvbnow,bttvb# U& L2 I% z4 V6 Q
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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