As x is a pure real number, but y only with imaginary part.公仔箱論壇$ r* E9 N4 Y" G" i8 A* M e
So if want to compare these two numbers, it should compare there magnitude.TVBNOW 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。/ ^5 _* I+ W4 C2 U
1. x -> 0+0i
( V+ l7 w$ Z. Q2. y -> 0+1iTVBNOW 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。' [; u, }- w2 p+ ~2 d, Y
/ Y0 |6 O$ w+ G; N5.39.217.77:8898Magnitude of x is |√(0^2 +0^2)| = 03 K" O6 I: L x: k8 g' D4 U
Magnitude of y is |√(0^2+1^2)| = 1
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# x H" q" W7 f* Q/ V# u: |. rSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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