As x is a pure real number, but y only with imaginary part.tvb now,tvbnow,bttvb/ r: R5 B7 [( A0 g
So if want to compare these two numbers, it should compare there magnitude.公仔箱論壇! b1 D$ V' J3 W2 U6 P, f W
1. 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。' z0 U1 Z5 h% q' g2 Z
2. y -> 0+1i
. y b4 a4 f- _& _' o3 g5.39.217.77tvb now,tvbnow,bttvb2 A( E0 h" t1 f& n6 ]
Magnitude of x is |√(0^2 +0^2)| = 0
: O' ]- J7 H5 r+ N( {7 fMagnitude of y is |√(0^2+1^2)| = 1
3 o! B4 t. a8 I% P( p
. }- ~' y6 R" ^8 @3 i公仔箱論壇So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
| 
