As x is a pure real number, but y only with imaginary part.
( ]3 \/ |, `6 G! r( xtvb now,tvbnow,bttvbSo if want to compare these two numbers, it should compare there magnitude.% p( C9 y- i. A3 B6 t- Y- ]/ O. k: j
1. x -> 0+0i
& _( O( d/ L- T4 H# \2 W4 ]9 _- y5.39.217.77:88982. y -> 0+1i" P i! e @4 h4 Q1 t7 d5 X& U; X9 b
1 K, M, q0 m8 U. q! j X) _公仔箱論壇Magnitude of x is |√(0^2 +0^2)| = 0# i4 `4 y# v6 J% S9 a }: p
Magnitude of y is |√(0^2+1^2)| = 1tvb now,tvbnow,bttvb1 I) k" J" _) {8 E1 m* P6 b! T! J& q* P
" K/ Y7 g" v# f$ ^& @/ G; ^公仔箱論壇So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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