As x is a pure real number, but y only with imaginary part.www2.tvboxnow.com U4 `. J+ U/ J& o
So if want to compare these two numbers, it should compare there magnitude.www2.tvboxnow.com7 }2 |1 U3 h8 o+ c, G9 v2 B2 p
1. x -> 0+0i
0 d+ Q7 t; W) |2. y -> 0+1i
7 e k' f: j- C: |* O3 a/ LTVBNOW 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。, v2 ~% h7 _7 V% i. R0 x
Magnitude of x is |√(0^2 +0^2)| = 0
% g% {# K4 i) t4 jtvb now,tvbnow,bttvbMagnitude of y is |√(0^2+1^2)| = 1
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+ V0 R5 [4 X5 x0 Q9 Y1 F; |, GSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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