[Date Index]
[Thread Index]
[Author Index]
Re: Difficulties with Re
*To*: mathgroup at smc.vnet.net
*Subject*: [mg98323] Re: Difficulties with Re
*From*: Bill Rowe <readnews at sbcglobal.net>
*Date*: Wed, 8 Apr 2009 02:42:46 -0400 (EDT)
On 4/6/09 at 5:05 AM, aaronfude at gmail.com (Aaron Fude) wrote:
>Of the following two expressions, the first "works", while the
>second doesn't. How does one make it work?
>Assuming[x > 0 && y > 0, Re[Exp[x + I y]] // Simplify]
>Assuming[x > 0 && y > 0, Re[Exp[(x + I y)^2]] // Simplify]
Is the following adequate for you?
In[9]:= Assuming[x > 0 && y > 0,
Re[Exp[(x + y I )^2 // Expand]] // Simplify]
Out[9]= E^(x^2 - y^2)*Cos[2*x*y]
Prev by Date:
**Re: Partial derivatives for implicit functions**
Next by Date:
**Just a quick note...of thanks**
Previous by thread:
**Re: Difficulties with Re**
Next by thread:
**Re: Difficulties with Re**
| |