t;
>
>| -Original Message-
>| From: Matthias Kohl [mailto:[EMAIL PROTECTED]
>| Sent: Friday, December 23, 2005 9:09 AM
>| To: Bickel, David
>| Cc: Duncan Murdoch; r-help@stat.math.ethz.ch
>| Subject: Re: [R] convolution of the double exponential distributio
PROTECTED]
| -Original Message-
| From: Matthias Kohl [mailto:[EMAIL PROTECTED]
| Sent: Friday, December 23, 2005 9:09 AM
| To: Bickel, David
| Cc: Duncan Murdoch; r-help@stat.math.ethz.ch
| Subject: Re: [R] convolution of the double exponential distribution
|
| Duncan Murdoch schrieb:
|
| >On
Mathematica says
Assuming[q ∈ Reals && q > 0, Integrate[(q + x)^n*Exp[-2*x], {x, 0,
Infinity}]]
2^(-1 - n)*Exp[2*q]*Gamma[1 + n, 2*q]
and 2-argument Gamma is the incomplete Gamma function
(integration starting at 2*q)
Duncan Murdoch wrote:
> On 12/22/2005 7:56 PM, Bickel, David wrote:
>
>>Is
kel, David
> Cc: r-help@stat.math.ethz.ch; Duncan Murdoch
> Subject: Re: [R] convolution of the double exponential distribution
>
> Duncan Murdoch schrieb:
>
> >On 12/22/2005 7:56 PM, Bickel, David wrote:
> >
> >
> >>Is there any R function that computes t
Duncan Murdoch schrieb:
>On 12/22/2005 7:56 PM, Bickel, David wrote:
>
>
>>Is there any R function that computes the convolution of the double
>>exponential distribution?
>>
>>If not, is there a good way to integrate ((q+x)^n)*exp(-2x) over x from
>>0 to Inf for any value of q and for any positi
On 12/22/2005 7:56 PM, Bickel, David wrote:
> Is there any R function that computes the convolution of the double
> exponential distribution?
>
> If not, is there a good way to integrate ((q+x)^n)*exp(-2x) over x from
> 0 to Inf for any value of q and for any positive integer n? I need to
> perfor
Is there any R function that computes the convolution of the double
exponential distribution?
If not, is there a good way to integrate ((q+x)^n)*exp(-2x) over x from
0 to Inf for any value of q and for any positive integer n? I need to
perform the integration within a function with q and n as argu
