As x is a pure real number, but y only with imaginary part.5.39.217.778 h. h% j$ ?3 }" H" t# e) c
So if want to compare these two numbers, it should compare there magnitude.
" U( e5 A+ e) L9 ?7 v0 T5.39.217.771. x -> 0+0i
! Y7 }( U4 t$ L9 ptvb now,tvbnow,bttvb2. y -> 0+1i公仔箱論壇$ D, k% ^5 p1 T: n
6 v! z% F/ h8 V+ s1 B4 N/ T+ {# T5.39.217.77Magnitude of x is |√(0^2 +0^2)| = 05 V+ j/ ^) }- B! y% w; Y8 A
Magnitude of y is |√(0^2+1^2)| = 1
( }7 v$ i* L+ p" S3 B7 L( [
/ I6 z7 t( K, V5 F5.39.217.77So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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