[A89] Re: Non-Complex Numbers

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[A89] Re: Non-Complex Numbers


No, no, no.  Every real number is also complex.  To get non-complex
numbers you have to go beyond the complex numbers, just like the complex
numbers go beyond the reals.  Two good examples are the hypercomplex
numbers and the quaternions.  The complex numbers are a subset of both of
these.  You can probably find something if you search for these, or ask
me if you can't.  

BTW, if you're interested, there was an extremely off-topic discussion of
algebraic paradoxes on ticalc.org in the comments on the new ti-sdk,
including some with complex exponetials.

Jon K.
"You have reached an imaginary number.  Please rotate your phone 90
degrees and try again."


On Thu, 17 Jan 2002 10:08:56 +1100 Wesley Moore <wmoore@cs.rmit.edu.au>
writes:
> 
> A non-complex number is one without an imaginary part. Basically the 
> 
> numbers that most people use all the time. Although if you want to 
> get
> technical all numbers are complex ie. 2.12 is 2.12+0i
> 
> I hope that is of some assistance to you.
> 
> Wesley
> 
> On Wed, Jan 16, 2002 at 05:55:25PM -0500, CalenWakefield@aol.com 
> wrote:
> >        I know this is off topic, but I'm extremely desperate.  I 
> was 
> > wondering if anyone here knows much about complex numbers.  What I 
> am 
> > actually looking for is an example of a non-complex number, but I 
> assume that 
> > if I am enlightened on complex numbers, examples of NON-complex 
> numbers will 
> > come to me naturally.  I dont know much about complex numbers, but 
> what I 
> > know is this.  They are an ordered pair of real numbers such as 
> (1,6).  These 
> > two real numbers fit into the equation a+bi where a is the first 
> number in 
> > the pair and b is the second.  So in this example it would be 
> 1+6i.  These 
> > ordered pairs may be graphed with one axis being the real number 
> line, and 
> > the other being the immaginary number line.  That is a quick 
> summary of what 
> > I know.  
> >        I have been searching the internet for a few weeks now 
> looking up all 
> > sorts of topics from Chaos Theory to Number Theory, but have been 
> > unsuccessful in finding an example of a NON-complex number.  So, 
> I'm sorry 
> > for the extremely off topic question, but I was unsure of where 
> else to look. 
> >  Knowing that this many extremely intelligent people are 
> subscribed to this 
> > list, I figured someone on here would know.  Thanks for you time 
> and your 
> > help!
> > 
> > CalenWakefield
> > 
> > 
> 
> -- 
> Wesley Moore      http://yallara.cs.rmit.edu.au/~wmoore/
> RMIT - BEng (Comp Sys Eng)/BApp.Sc. (Comp Sci)  4th Year
> 
> 
> 
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