As x is a pure real number, but y only with imaginary part.
+ R6 x( C: q0 R I2 E, FSo if want to compare these two numbers, it should compare there magnitude.% d9 U) E5 l' R: S6 B
1. x -> 0+0i
. h( f, x0 p; `tvb now,tvbnow,bttvb2. y -> 0+1i/ d ?; l( z6 s) \7 |
: S2 c) I) S: d0 H: m5 j" h5.39.217.77Magnitude of x is |√(0^2 +0^2)| = 0
/ g' u6 I, Z( o/ P) F7 itvb 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。, t( h" _& @! i, F6 l7 v
5.39.217.771 Q( P/ m) N9 G; A V3 A
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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