As x is a pure real number, but y only with imaginary part.
4 w" ?( P- P3 I& t- Xtvb now,tvbnow,bttvbSo if want to compare these two numbers, it should compare there magnitude.5.39.217.77! L) h3 r$ F) E+ j" k
1. x -> 0+0i
3 K# O9 M% U: Y' O( s# {" r5.39.217.772. y -> 0+1i
2 p4 m, a' W; E2 |- T9 s/ P' q! t0 C5.39.217.77
7 q$ f( G( o% P$ Y4 }; e* y8 Ntvb now,tvbnow,bttvbMagnitude of x is |√(0^2 +0^2)| = 0
& j9 ]3 F4 \$ U! D& LMagnitude of y is |√(0^2+1^2)| = 14 q* u7 Z4 f, B/ t$ W4 z; D
' P9 Z& E* ~. m4 E6 j2 O/ P7 qSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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