As x is a pure real number, but y only with imaginary part.1 v4 x2 h4 P0 z$ S* m) A
So if want to compare these two numbers, it should compare there magnitude.
& ~) L- Z4 X$ }1. x -> 0+0i5.39.217.779 A, h% B$ w! q! R! u- R0 ]5 R
2. y -> 0+1i
/ _7 z# b$ \, J/ }5.39.217.77tvb now,tvbnow,bttvb0 ~4 |/ s* w9 Z4 ], E" K
Magnitude of x is |√(0^2 +0^2)| = 0
# T8 ?) Q* O- T: d$ ^8 y5.39.217.77Magnitude of y is |√(0^2+1^2)| = 1
' d' e! z9 I$ x" c: e公仔箱論壇
9 Z: b1 c% A; K) BSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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