As x is a pure real number, but y only with imaginary part.公仔箱論壇9 }# o& z( \* Y5 d5 O5 C' N
So if want to compare these two numbers, it should compare there magnitude.
8 Y) L6 S6 `" `2 b/ }6 I: M; p1. x -> 0+0i公仔箱論壇9 K! ~( n0 z, Y
2. y -> 0+1i
- g( j7 c1 P; h6 t/ q- B) ~
7 S) E7 ?5 e t' \% s0 |0 U( H; qTVBNOW 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 x is |√(0^2 +0^2)| = 0
& C) y- u3 K8 M, H3 o5.39.217.77Magnitude of y is |√(0^2+1^2)| = 1
$ e( U& _4 n- e/ qtvb now,tvbnow,bttvb# M' y" F; k# |
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
| 
