As x is a pure real number, but y only with imaginary part.
$ N+ d# B7 d; n# ]5.39.217.76So 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。! t; ]1 V( i; {3 h) f8 E
1. x -> 0+0i
; ^# S2 U5 t& _1 F. r. u2. 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。6 O D1 |) A8 e6 C1 V
0 T; P, e) o" T, b) E8 Ptvb now,tvbnow,bttvbMagnitude of x is |√(0^2 +0^2)| = 0公仔箱論壇3 }7 m5 @# c& @: g! ]
Magnitude of y is |√(0^2+1^2)| = 1% @0 I5 X e0 h) a* e% U
1 f5 Y! q5 X K L- a. Y" R; l, b5.39.217.76So, the magnitude of y >x |
發表於 2013-1-6 06:17 PM
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