As x is a pure real number, but y only with imaginary part.
9 I* J8 ? \" w+ y8 I公仔箱論壇So if want to compare these two numbers, it should compare there magnitude.公仔箱論壇8 @! k* q* P# N4 X
1. x -> 0+0i
/ n! O: Z. [$ D公仔箱論壇2. y -> 0+1i
4 `' D5 g K' p( ^+ p+ \
# U. x) E# n4 n( y+ u% N+ jtvb now,tvbnow,bttvbMagnitude of x is |√(0^2 +0^2)| = 09 x- b a0 z ]9 _3 w
Magnitude of y is |√(0^2+1^2)| = 1
7 z% }" B W6 o: A3 r公仔箱論壇. o& o8 T$ z/ H. t* v
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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