As x is a pure real number, but y only with imaginary part.公仔箱論壇& x0 Z; D% T9 j% m* B/ C8 d
So if want to compare these two numbers, it should compare there magnitude.
* T M5 N4 p: U! x公仔箱論壇1. x -> 0+0i& L, N/ F; ^, h9 L/ V, y6 m
2. y -> 0+1i
: Q# i0 H" j; I% ]! U) A公仔箱論壇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。! Z T! D- k7 s
Magnitude of x is |√(0^2 +0^2)| = 0
3 F7 ^: h8 i& Q7 L' UMagnitude of y is |√(0^2+1^2)| = 1
4 k) W v/ \9 R7 q& htvb now,tvbnow,bttvb1 @9 ~, M' f o5 w/ ^2 ]# [
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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