Services & Resources / Wolfram Forums / MathGroup Archive
-----

MathGroup Archive 2013

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

Search the Archive

Re: TransformedDistribution result not expected

  • To: mathgroup at smc.vnet.net
  • Subject: [mg130740] Re: TransformedDistribution result not expected
  • From: Shaun Werkhoven <shaunwerkhoven at gmail.com>
  • Date: Wed, 8 May 2013 04:11:32 -0400 (EDT)
  • Delivered-to: l-mathgroup@mail-archive0.wolfram.com
  • Delivered-to: l-mathgroup@wolfram.com
  • Delivered-to: mathgroup-outx@smc.vnet.net
  • Delivered-to: mathgroup-newsendx@smc.vnet.net
  • References: <20130507075348.8F10469C4@smc.vnet.net>

thanx a lot!!


Shaun


On Wed, May 8, 2013 at 2:04 PM, Bob Hanlon <hanlonr357 at gmail.com> wrote:

> You used ax (single variable) instead of a*x (explicit multiplication of
> two variables) or a x (space for impicit multiplication).
>
> TransformedDistribution[a x + b,
>     x \[Distributed] NormalDistribution[mu, Sigma]]
>
> NormalDistribution[b + a mu, Sigma Abs[a]]
>
>
> Bob Hanlon
>
>
>
> On Tue, May 7, 2013 at 3:53 AM, Shaun Werkhoven <shaunwerkhoven at gmail.com>wrote:
>
>>
>> Sorry if this question is too simple, I'm new to Mathematica. If I enter
>>
>>
>> TransformedDistribution[ ax + b, x\[Distributed]NormalDistribution[u,
>> Sigma]]
>>
>> I get
>>
>> TransformedDistribution[ax + b, x\[Distributed]NormalDistribution[u,
>> Sigma]]
>>
>> instead of what is expected as per the website examples
>>
>> NormalDistribution[au + b, Sigma(Abs(a))]
>>
>>
>> Thanx, Shaun
>>
>>
>>
>


  • Prev by Date: Re: TransformedDistribution result not expected
  • Next by Date: Re: How Random works?
  • Previous by thread: Re: TransformedDistribution result not expected
  • Next by thread: Re: TransformedDistribution result not expected