As x is a pure real number, but y only with imaginary part.
7 V% I, | A$ f+ Q* Btvb now,tvbnow,bttvbSo 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。0 p+ L1 D3 M8 j+ z5 C7 h ?
1. x -> 0+0i
$ S5 |& L$ i$ m2. y -> 0+1i公仔箱論壇! u# B7 E, d8 j8 H
2 V6 M- g% Q% k M4 n. IMagnitude of x is |√(0^2 +0^2)| = 0
- F2 r7 h* _% b( ?: D3 b h: v, _5 q" R, Wtvb now,tvbnow,bttvbMagnitude of y is |√(0^2+1^2)| = 1
2 l+ B+ y2 D* ntvb now,tvbnow,bttvb7 B) |( ?* f8 Y: p, B( U. d
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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