As x is a pure real number, but y only with imaginary part.
5 h" J3 g' G( I+ y1 ^6 n1 P" dSo if want to compare these two numbers, it should compare there magnitude.
/ p! W* ^: D; Z: o* ?1 V6 ^& {1. x -> 0+0i
, @4 Z1 l7 C" X- i. m: C. TTVBNOW 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。2. y -> 0+1i2 }. Q: }$ K2 K" c
tvb now,tvbnow,bttvb, G5 S5 P* h2 p# k2 W6 u
Magnitude of x is |√(0^2 +0^2)| = 0
k) i7 F1 Z6 `# o! }; o/ C5.39.217.76Magnitude of y is |√(0^2+1^2)| = 1TVBNOW 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。% d0 `$ N8 j6 X* K
5.39.217.76( `6 [# g. l; H8 Z/ i
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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