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Re: Newby Q: How to specify reals

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  • Subject: [mg110558] Re: Newby Q: How to specify reals
  • From: Helen Read <hpr at>
  • Date: Fri, 25 Jun 2010 07:28:18 -0400 (EDT)
  • References: <hvs7n2$8v0$> <hvv5ra$19f$>
  • Reply-to: HPR <read at>

On 6/24/2010 4:43 AM, AES wrote:
> 3)  And, because of Mathematica's generally dysfunctional documentation
> -- e.g. "ComplexExpand" is not even mentioned in tutorial/ComplexNumbers
> and if it's mentioned in ref/Conjugate, it's buried somewhere down in
> the nested and closed subsections and therefore cannot be _searched_ for
> using any kind of Find command.

It's really not that hard to find. I just tried searching the 
Documentation for "complex numbers".

The first two hits are "Complex" and "Numbers".

The third on the list, highlighted with a nice orange bullet, is 
"Complex Numbers". This takes you directly to guide/ComplexNumbers, 
which has all the basic functions for working with complex numbers, 
including this:

ComplexExpand -- expand symbolic expressions into real and imaginary parts

Seems pretty clear to me.

Helen Read
University of Vermont

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