As x is a pure real number, but y only with imaginary part.
1 `1 W: j' I+ g+ q* D' mSo if want to compare these two numbers, it should compare there magnitude.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。* J( D, ]2 R' p E; I" j) ]
1. x -> 0+0i公仔箱論壇% m' b! `* t- W' ~- Y# f; t8 h* u
2. y -> 0+1i
) G! o% |# W9 Ptvb now,tvbnow,bttvb' y: b% @. j4 P
Magnitude of x is |√(0^2 +0^2)| = 0tvb now,tvbnow,bttvb3 u+ t3 L1 [1 i. z& R( H- n) {/ E
Magnitude of y is |√(0^2+1^2)| = 1
0 `. D9 i& O4 g3 c6 Uos.tvboxnow.com
3 i5 O0 O* I! H/ Ttvb now,tvbnow,bttvbSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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