As x is a pure real number, but y only with imaginary part.
3 o2 X* j" T2 m% t$ n, ^2 s" a* ?3 ]So if want to compare these two numbers, it should compare there magnitude.
* H8 t7 X: J9 K0 otvb now,tvbnow,bttvb1. x -> 0+0iTVBNOW 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。% A3 ~; M7 r! C. q' ]
2. y -> 0+1i
0 R) E* a4 x* y; D' Mtvb now,tvbnow,bttvb; D, p9 x9 F4 m- p
Magnitude of x is |√(0^2 +0^2)| = 0TVBNOW 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。2 N3 }( \9 B. m4 r
Magnitude of y is |√(0^2+1^2)| = 1
/ i8 w! i _9 A4 V0 f8 Ltvboxnow.comTVBNOW 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。5 ]- f0 M3 E+ M; M5 }: {, F" I4 z. c; P
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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