As x is a pure real number, but y only with imaginary part.
. {9 ?. Q# P7 R) q$ ttvb now,tvbnow,bttvbSo if want to compare these two numbers, it should compare there magnitude.3 U: ]- T% I7 ~
1. x -> 0+0itvb now,tvbnow,bttvb2 y$ o9 w x3 R* \
2. y -> 0+1i
# q* g& ~7 X; I: Q# q3 utvb now,tvbnow,bttvb
; ~: n( N2 C1 I& B, ETVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。Magnitude of x is |√(0^2 +0^2)| = 0公仔箱論壇- J6 T& B+ G9 b( E- I
Magnitude of y is |√(0^2+1^2)| = 11 s/ C. Q9 H# k2 d
3 M0 a& _' F7 Y5 b3 x5 z
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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