As x is a pure real number, but y only with imaginary part.公仔箱論壇! ^( e' |1 `. S1 f+ w. z# x
So if want to compare these two numbers, it should compare there magnitude./ H) K& B. a$ n; e- C8 u; G
1. x -> 0+0i/ t7 j, g- R5 Q5 I# ~6 S2 B4 D4 U
2. y -> 0+1i
2 l* G& N1 Q2 ~' c
. {8 N" h7 S8 R* I4 y& }公仔箱論壇Magnitude of x is |√(0^2 +0^2)| = 0tvb now,tvbnow,bttvb9 n5 r1 l$ t M; }# Q; U" h
Magnitude of y is |√(0^2+1^2)| = 1/ S6 t& h M$ G5 I1 q6 t
1 k* G" v4 ^$ U6 d0 Z
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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