As x is a pure real number, but y only with imaginary part.: }$ h7 ^) x Z) U+ l
So if want to compare these two numbers, it should compare there magnitude.5.39.217.77:8898) e3 S4 }: h$ k7 _% C1 ?& G
1. x -> 0+0i7 @# }# _/ A, [ E0 C! W
2. y -> 0+1i
3 |( N' W9 Y9 C8 ~5.39.217.77:88985.39.217.77:88986 ?, e' q% [+ d. ?/ a4 K+ \, N! A
Magnitude of x is |√(0^2 +0^2)| = 0
# u: x4 [5 W$ D x4 rTVBNOW 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 y is |√(0^2+1^2)| = 1公仔箱論壇) b( |1 @" H" |6 |
! ?( j6 W9 o! LSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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