[Tutor] largest and smallest numbers (Linpeiheng)

[Noufal Ibrahim]

林培恒 wrote:
> On Mon, 24 Sep 2007, Terry Carroll write:
> 
>> My math is rusty. Is there a concept of "greater than" 
>> or "largest" in complex numbers on different axis? Which
>> is larger, 4+2i or 2+4i?
> 
> In fact, complex numbers can not compare directly. People always compare complex numbers with their 'model'. For example, sqrt(a**2 + b**2) is the 'model' of a+bi.

i think you mean "modulus". Also, you can get it directly. The abs 
builtin does it for you.
 >>> foo = 3+4j
 >>> print abs(foo)

I don't think there is a direct way to the get the argument. You'd have 
to use arctan for that.


-- 
~noufal