As x is a pure real number, but y only with imaginary part.
* b/ g& t6 {( N" A) W& e% kSo if want to compare these two numbers, it should compare there magnitude.& _1 S0 [" p+ I) ~ b- n! O
1. x -> 0+0i3 n: q |0 }5 J% o% O
2. y -> 0+1i
. p+ c7 t+ I( l! m( u. |5 X6 y
v- b4 c/ a- q% x! u5.39.217.77:8898Magnitude of x is |√(0^2 +0^2)| = 0
( ]) Z* X- D! h/ a7 ftvb now,tvbnow,bttvbMagnitude 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。0 I% m! V5 v8 [$ i) d" _7 D
& K0 K# q" ~5 E8 y, {5 B. H# W+ ]: PTVBNOW 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。So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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