As x is a pure real number, but y only with imaginary part.3 v5 ]; s0 \! h, O, O+ R
So if want to compare these two numbers, it should compare there magnitude.公仔箱論壇 @& [2 w4 s$ M: [; h
1. x -> 0+0i
4 C D' L" K# q9 Ktvb now,tvbnow,bttvb2. y -> 0+1i8 U% f, H3 q6 C2 r* e
0 g X2 l9 f. ?) o {www3.tvboxnow.comMagnitude of x is |√(0^2 +0^2)| = 0
3 m& j5 B! ^0 k0 L: rwww3.tvboxnow.comMagnitude of y is |√(0^2+1^2)| = 1
/ G: e7 U: ~2 s# [" Q( C+ ltvb now,tvbnow,bttvb公仔箱論壇8 \& r4 M6 S3 d9 p! w$ Q% Y& ~
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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