As x is a pure real number, but y only with imaginary part.
/ u2 t+ S% y) I# `2 Y! b3 ?; iSo if want to compare these two numbers, it should compare there magnitude.
5 E6 `% |$ s2 @9 l7 S2 s: n- B5.39.217.771. x -> 0+0i
8 K8 K! ?* N6 h3 e- u2. y -> 0+1i
+ [! Z, W' v1 V" H$ ?tvb now,tvbnow,bttvb5.39.217.77# k& O, u9 h2 O+ D
Magnitude of x is |√(0^2 +0^2)| = 0TVBNOW 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。1 m1 w% j! I; Q0 b0 t
Magnitude of y is |√(0^2+1^2)| = 1公仔箱論壇 N/ _0 y5 v& B
$ x+ g. b7 j/ l" R, qSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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