As x is a pure real number, but y only with imaginary part.
) D) I: E8 a3 g( o+ @/ `# f: a0 ESo if want to compare these two numbers, it should compare there magnitude.tvb now,tvbnow,bttvb: @" v. `* ` ~" w- O. O% k9 m) S
1. x -> 0+0i5.39.217.768 F2 n: r+ P; X9 T; ]! a
2. y -> 0+1i2 K8 X1 F: j+ z
9 @- h7 ~# D% w" A" {& ftvb now,tvbnow,bttvbMagnitude of x is |√(0^2 +0^2)| = 0
8 X$ }' I6 \) [4 W; R5 D公仔箱論壇Magnitude of y is |√(0^2+1^2)| = 1tvb now,tvbnow,bttvb. K( ]6 O( y4 V* Z5 B5 \4 g
公仔箱論壇( |8 i) W; o0 ^1 q! x: e6 k9 ^0 V& Z
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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