Mathematica 9 is now available
Student Support Forum
Student Support Forum > General > > "Factoring expression with diracdelta"

Post Reply:
Email Address:

Please send email when my message is replied to.

Url (optional):
Message: view original message?
Attachment (optional):
Please answer this:3+5 =

Original Message (ID '130472') By Peter Pein:
In Response To 'Re: Factoring expression with diracdelta' --------- oops - a typo... the DiracDelta[y] on the right hand side of the rule should be a DiracDelta[w]. expr //. v_.*DiracDelta[w_] DiracDelta[x_] + y_.*DiracDelta[w_] DiracDelta[x_] -> (v + y)* DiracDelta[w] DiracDelta[x]