As x is a pure real number, but y only with imaginary part.www3.tvboxnow.com3 q, @ E1 d/ j5 \9 n# Y/ T6 d! ?
So if want to compare these two numbers, it should compare there magnitude.
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2. y -> 0+1i
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5 Q( _5 p# ^& Y( v7 wMagnitude of x is |√(0^2 +0^2)| = 04 ]; T, v) a! k
Magnitude of y is |√(0^2+1^2)| = 1
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' U7 ^; i: X3 w F公仔箱論壇So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
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