| Re: [eigen] Problem inverting a Matrix4f with Eigen 2.0.0 |
[ Thread Index |
Date Index
| More lists.tuxfamily.org/eigen Archives
]
- To: eigen@xxxxxxxxxxxxxxxxxxx
- Subject: Re: [eigen] Problem inverting a Matrix4f with Eigen 2.0.0
- From: Benoit Jacob <jacob.benoit.1@xxxxxxxxx>
- Date: Sat, 17 Jul 2010 12:22:47 -0400
- Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:content-type :content-transfer-encoding; bh=AVsGKtgca81wwqDZq0tK12cWHoKuzQ1ieZGs95SHhXY=; b=sF9omcDyvLPvecAuDXY6g+BR3jEFWUahTac/rE8rS+H3h+CZcSJ3bs/5Ltjnb4tIf6 GU6acpYRP6QSCTjDtWuCUgA/nJGwDtbGs6CFoMQ0EGQg/YK4mrGWNPB1zRINZPDT1gH8 ep4k0RHCcR104F9ohM7TY0PGNRAHLa4Ei6pSM=
- Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; b=qj6JtBpXplUKh/ZFaCLDZNNVZ4UYt2atQokWjyDUhF+I2OT+ek766eJbtvEDz17B5y UA92UWpfZgMrxFm1R8sflRx6Y4IaFjHfv7emBpLigTZWzXz2yL0P0wSSTolYm4PGe9+a PRF+zUP0B2vic+TevRtABqrORqPnXG89yxig0=
2010/7/17 Robert Lupton the Good <rhl@xxxxxxxxxxxxxxxxxxx>:
>> so the approach we're recommending in Eigen, to compute lhs*solution and
>> compare with rhs, is the only way to know for sure how good your
>> solution is.
>
> Sounds reasonable.
>
> Do I see a nascent section in the new manual, reachable by a search for "condition number"?
Yes, a "special topic" page on condition numbers and more generally on
checking how reliable/accurate computations are, would be very
welcome. It should be linked to from the tutorial page 6 on linear
algebra.
Benoit
>
> R
>
>
>
>