As x is a pure real number, but y only with imaginary part.4 A! G% x, N: `" b6 ^* C
So if want to compare these two numbers, it should compare there magnitude.tvb now,tvbnow,bttvb6 x3 B% C3 [! g6 w6 P
1. x -> 0+0i
; O' J& g# H0 {2. y -> 0+1i5.39.217.778 n/ i! H& T* B4 k7 a
" E, P$ R+ y( G$ \$ C: q% @- v
Magnitude of x is |√(0^2 +0^2)| = 0
' d+ I' \8 U% O5.39.217.77Magnitude of y is |√(0^2+1^2)| = 1tvb now,tvbnow,bttvb6 P; }. M. r: I& E+ c+ |
3 J; \7 z. ]2 n) \. E公仔箱論壇So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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