Mathematica 9 is now available
Student Support Forum
-----
Student Support Forum: 'ExpToTrig of Sum' topicStudent Support Forum > General > "ExpToTrig of Sum"

Help | Reply To Topic
Author Comment/Response
joe sloan
07/30/02 05:06am

How do I do an ExpToTrig on an expression that is a summation of exponentials? I need to extract the Re and Im parts for separate calculations.


e.g.

Sum[Subscript[\[Alpha], n][t]*Exp[-2*I*Subscript[f, c]*n], {n, 1, \[DoubleStruckCapitalN]}]

ExpToTrig[%]

The notebook is attached.

thanks

Attachment: example_exp.nb, URL: ,
Help | Reply To Topic