As x is a pure real number, but y only with imaginary part.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。; s% p. @" L5 A' D( }
So if want to compare these two numbers, it should compare there magnitude.3 y# W; Q% o2 J! A
1. x -> 0+0i公仔箱論壇$ t1 a K9 X4 k# a
2. y -> 0+1i
# e: x( \! l2 R; OTVBNOW 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。) Q8 X: h8 \/ H1 `
Magnitude of x is |√(0^2 +0^2)| = 0
$ n; o% u) t3 F9 ?5.39.217.77:8898Magnitude of y is |√(0^2+1^2)| = 15.39.217.77:8898" ]# Z" V4 R) v1 s) i" _
tvb now,tvbnow,bttvb6 F8 N$ `3 b- t; M0 C7 c
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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