As x is a pure real number, but y only with imaginary part.5.39.217.76* {" Z+ A6 [; Z# ?! o* J( _
So if want to compare these two numbers, it should compare there magnitude.TVBNOW 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。' Z6 R# m6 \* o8 `' R( Q. N
1. x -> 0+0i5.39.217.762 b y' [8 H$ {8 J' N
2. y -> 0+1i
) G( Z! D& F4 q! k: V/ S" ytvb now,tvbnow,bttvb
% @+ E, V! D. EMagnitude of x is |√(0^2 +0^2)| = 0
9 n) }9 }% K3 n! GMagnitude of y is |√(0^2+1^2)| = 15.39.217.768 O( L1 n; P' _: j. w: p# ?8 \
tvb now,tvbnow,bttvb9 S# N- Y2 T+ g& U0 i& q2 g6 U
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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