As x is a pure real number, but y only with imaginary part.
* m2 z9 n. s: a1 A/ ]% TSo if want to compare these two numbers, it should compare there magnitude., K1 N, r. A- w b3 A8 `6 p, w0 W% D
1. x -> 0+0itvboxnow.com' j7 ^3 a' Z# z- Y/ F b9 Y
2. y -> 0+1i
K {$ d& d0 | N# t- Q9 v; Mtvb now,tvbnow,bttvb
# k/ b# y3 T: A' F/ Z! Ptvboxnow.comMagnitude of x is |√(0^2 +0^2)| = 0
{0 S: I' N+ R$ Z* ^- Ttvb now,tvbnow,bttvbMagnitude of y is |√(0^2+1^2)| = 1
0 m9 i, }- ?" v; \9 o0 _( c8 V5 X公仔箱論壇2 N0 h( _+ g: o$ l; T
So, the magnitude of y >x |
發表於 2012-12-29 07:13 PM
| 
