As x is a pure real number, but y only with imaginary part.5.39.217.77:8898% j r; G& [/ c8 o5 R
So if want to compare these two numbers, it should compare there magnitude.5.39.217.77:8898% n4 W* r- U1 }
1. x -> 0+0i公仔箱論壇, t l1 z7 G! ^. D) W
2. y -> 0+1i
( X( `1 g% X) f' O; ]$ P) ^tvb now,tvbnow,bttvb
+ ~' F' v( ]" O# I/ s0 ]! B. e公仔箱論壇Magnitude of x is |√(0^2 +0^2)| = 09 i3 G/ Q% O8 e; B6 @
Magnitude of y is |√(0^2+1^2)| = 1
3 ?8 s" \2 w+ F公仔箱論壇
3 h( m6 _& a Ktvb now,tvbnow,bttvbSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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