As x is a pure real number, but y only with imaginary part.
% q; J. t) g8 \) ~) Htvb now,tvbnow,bttvbSo if want to compare these two numbers, it should compare there magnitude. D- `+ n% D5 f# C) b: o
1. x -> 0+0itvb now,tvbnow,bttvb$ n' U) A% Z8 L' C8 H
2. y -> 0+1i
/ m3 a1 P) `8 i2 i' A. j' [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。tvb now,tvbnow,bttvb2 g3 o$ G5 o/ p( A' _! V# b
Magnitude of x is |√(0^2 +0^2)| = 0公仔箱論壇' r4 Z& Z4 G7 D {4 `5 l+ O
Magnitude of y is |√(0^2+1^2)| = 1
. f5 D. Q0 P! q公仔箱論壇tvb now,tvbnow,bttvb& A/ ]! J0 j. @* W$ [ y
So, the magnitude of y >x |
發表於 2013-1-6 06:17 PM
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