As x is a pure real number, but y only with imaginary part.
\& _/ @ }) n6 W- M' b9 \So if want to compare these two numbers, it should compare there magnitude.
) f; O2 {6 c0 Y7 }* G0 p1. x -> 0+0iwww2.tvboxnow.com9 s( ?& y: s+ \8 N0 F) u* N, n
2. y -> 0+1iTVBNOW 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。- m- M0 P' D4 l8 Q; Y
3 \, U0 R, g" q2 G! s3 rtvb now,tvbnow,bttvbMagnitude of x is |√(0^2 +0^2)| = 0
1 V$ c, n+ v' U0 A! o5 w公仔箱論壇Magnitude of y is |√(0^2+1^2)| = 1
( h. Q$ h! p3 k) P( t% ?0 A1 A. h+ s+ G
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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