As x is a pure real number, but y only with imaginary part.公仔箱論壇1 c V' D+ v# I3 p6 L; D8 z
So if want to compare these two numbers, it should compare there magnitude.# G [+ F. g! M" O/ ~( |
1. x -> 0+0i
, a# w% u* k+ ]" vTVBNOW 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。2. y -> 0+1i公仔箱論壇# g9 j7 y! \% \0 p: o
公仔箱論壇* w" H4 M9 D9 B: [
Magnitude of x is |√(0^2 +0^2)| = 0
O1 ` o, F/ D& j* N, {' xMagnitude of y is |√(0^2+1^2)| = 1
1 F% m1 N+ W' V1 G/ i% W. ^公仔箱論壇
! u4 K% U5 J' ~7 nSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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