As x is a pure real number, but y only with imaginary part.tvb now,tvbnow,bttvb1 F5 M' G* s3 S1 ~; X
So if want to compare these two numbers, it should compare there magnitude.公仔箱論壇. |# V* b4 x/ L0 l+ }
1. x -> 0+0i公仔箱論壇+ G" c" j2 F; C5 I$ d, q" j
2. y -> 0+1i公仔箱論壇! E( H: T5 ~3 D1 f7 u
4 c9 L% C- M4 I. A- @7 O( i0 Etvb now,tvbnow,bttvbMagnitude of x is |√(0^2 +0^2)| = 0
+ f l9 I; T5 Q9 K. rTVBNOW 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。Magnitude of y is |√(0^2+1^2)| = 1
c2 Y" i) _3 i9 Qtvb now,tvbnow,bttvb
K2 m( t" K3 \- h, Y& I8 j4 Los.tvboxnow.comSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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