As x is a pure real number, but y only with imaginary part.
K2 T" x: Z1 U9 \# Q公仔箱論壇So if want to compare these two numbers, it should compare there magnitude.
. M$ X2 s& j/ I' `+ L/ M V: |' h' ktvb now,tvbnow,bttvb1. x -> 0+0i
. D" b( ~ B; Y, Y" L& K7 U5.39.217.77:88982. y -> 0+1i
5 w2 q+ ~! d8 v2 Q) w# ttvb now,tvbnow,bttvb
0 P* v/ E$ V Z% w9 I/ dMagnitude of x is |√(0^2 +0^2)| = 0
7 `( v7 q# x$ U# O4 D$ F- K$ k5.39.217.77:8898Magnitude 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。) Q, p8 a$ x+ ~1 L5 U. d e; S
& C+ W4 r+ v% e& r/ }( Q5.39.217.77:8898So, the magnitude of y >x |
發表於 2013-1-6 06:17 PM
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