As x is a pure real number, but y only with imaginary part.- b8 E; p9 c2 h9 f
So if want to compare these two numbers, it should compare there magnitude.
# j5 K( M. D: r- L1 I" lwww.tvboxnow.com1. x -> 0+0i& B. Y1 e1 D. A+ l: R8 }
2. y -> 0+1i
. v. Q d* D- [+ U
/ m7 J. T+ j& }- FMagnitude of x is |√(0^2 +0^2)| = 0
" C) d& A8 {$ N% ktvb now,tvbnow,bttvbMagnitude of y is |√(0^2+1^2)| = 1 y7 ^/ I. y/ O* h- g& {$ L
0 A# w* |; I5 b: Z6 m* D! t3 H6 |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。So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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