As x is a pure real number, but y only with imaginary part.
0 ^ L/ D( h5 _7 l% [) f8 b gSo if want to compare these two numbers, it should compare there magnitude.5 m! ~# b0 U' h, I, z
1. x -> 0+0i
' X7 Y4 o8 F2 f5.39.217.772. y -> 0+1i
5 p1 u6 y6 z3 [3 C9 Z* ?0 [公仔箱論壇2 h; c; x4 v L9 g* j
Magnitude of x is |√(0^2 +0^2)| = 0# F" ]% o8 l( |! [
Magnitude of y is |√(0^2+1^2)| = 15.39.217.771 ^& H- H" @8 E; V, [+ H; z5 @2 z
% g1 C: K+ S) ^/ k5 i& \) [& ctvb now,tvbnow,bttvbSo, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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