As x is a pure real number, but y only with imaginary part.$ k# d/ J, [" J# }9 ^* E* D4 X/ d) `. Y
So if want to compare these two numbers, it should compare there magnitude.
0 Q1 \3 G8 [( \$ J/ G! \1. x -> 0+0i
! c' K- }" k! p0 A' e T+ U' nTVBNOW 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
, D- S, H L0 W- q! F
7 v# b+ t) X$ q o) E/ ttvb now,tvbnow,bttvbMagnitude of x is |√(0^2 +0^2)| = 0
2 f/ o! ?# h! g8 g5.39.217.77:8898Magnitude of y is |√(0^2+1^2)| = 1( V$ k; S, z- z1 Z* u2 k
tvb now,tvbnow,bttvb c' J/ D2 i5 Y# Z) M
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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