As x is a pure real number, but y only with imaginary part.
$ y6 O6 X! L6 H/ |$ w8 USo if want to compare these two numbers, it should compare there magnitude.tvb now,tvbnow,bttvb) F% h! o% x: r1 g' x/ D6 G
1. x -> 0+0i
. Q) {; Y7 z. [( H+ V. I- S3 ltvb now,tvbnow,bttvb2. y -> 0+1i5.39.217.76; W, h1 g( h* B8 N3 X( @
tvb now,tvbnow,bttvb3 U% |7 Y* H' {
Magnitude of x is |√(0^2 +0^2)| = 03 H( H+ X0 \' h9 A1 k. X! c
Magnitude of y is |√(0^2+1^2)| = 1
# l( c8 H/ A6 l9 n0 A9 D& u+ |) yTVBNOW 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。, h% C! S: c3 z
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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