MathGroup Archive 2012

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: Integrating DiracDelta in Mathematica: how to suppress ConditionalExpression


On 10/7/2012 12:33 AM, Yaj wrote:
> For the integral shown below, how do I get Mathematica to output only the
>"correct" answer as 1 (for future steps in the notebook) and i.e.
>have Mathematica NOT OUTPUT the ConditionalExpresssion that q2 is real etc?
>
> In[5]:= Integrate[DiracDelta[p - q2], {p, -Infinity, Infinity}]
>
> Out[5]:= ConditionalExpression[1, q2 \[Element] Reals]
>


In[253]:= Assuming[Element[q2,Reals],Integrate[DiracDelta[p-q2],{p,-Infinity,Infinity}]]
Out[253]= 1

--Nasser



  • Prev by Date: fast summing alternative?
  • Next by Date: Grouping graphics that are transformed together
  • Previous by thread: Re: Integrating DiracDelta in Mathematica: how to suppress ConditionalExpression
  • Next by thread: Re: Integrating DiracDelta in Mathematica: how to suppress ConditionalExpression