As x is a pure real number, but y only with imaginary part.tvb now,tvbnow,bttvb" E0 M- f4 V( G
So if want to compare these two numbers, it should compare there magnitude.; k+ D- D8 D5 y# @
1. x -> 0+0i公仔箱論壇( j6 F3 A. G! o$ P$ a) C: {
2. y -> 0+1i公仔箱論壇3 Y3 o9 f: b# p4 W6 E3 Y
. P; z. ], @' p3 X
Magnitude of x is |√(0^2 +0^2)| = 05.39.217.77:8898/ d4 V4 m1 ]- V/ d! ~* ? {' i
Magnitude of y is |√(0^2+1^2)| = 1tvb now,tvbnow,bttvb5 P5 w" ?) q4 m
_7 n. e' o* ~8 A+ x4 ?So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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