As x is a pure real number, but y only with imaginary part.
F' K, r* r* E4 \; `# P k1 _公仔箱論壇So if want to compare these two numbers, it should compare there magnitude.5.39.217.77:88984 q+ ^& k0 k; Z* K2 }
1. x -> 0+0i公仔箱論壇$ T' k# W1 b! D5 i6 A. \
2. y -> 0+1i
+ W* S; v2 P' N0 X4 F
: R* O, H+ L7 Ntvb now,tvbnow,bttvbMagnitude of x is |√(0^2 +0^2)| = 0
! }# r1 b4 G! j# K1 {9 I3 L5.39.217.77:8898Magnitude of y is |√(0^2+1^2)| = 1
7 P2 F4 w1 I$ V2 `; ktvb now,tvbnow,bttvb! V. v. W- H3 ^/ B0 d
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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