As x is a pure real number, but y only with imaginary part.; q" P5 Q2 G$ _
So if want to compare these two numbers, it should compare there magnitude.
/ n4 ^% B) K2 {, [- b% |公仔箱論壇1. x -> 0+0itvb now,tvbnow,bttvb; Q/ }6 R" ~8 W* A& U
2. y -> 0+1i
3 q7 A* Z H- g4 g; E( A/ zTVBNOW 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。
. V) {2 q5 e/ p' N. `8 N8 LTVBNOW 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。Magnitude of x is |√(0^2 +0^2)| = 0
. ]; g2 {5 F- H3 w( S9 q! XMagnitude of y is |√(0^2+1^2)| = 1
- P; M, M Y7 u& _& z5 Btvb now,tvbnow,bttvbtvb now,tvbnow,bttvb. J, ?+ g& M# U" _* s9 s% i
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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