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Topic: Pseudo inverse: small deviations, large error
Replies: 1   Last Post: Jan 13, 2013 3:30 AM

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Matt J

Posts: 4,996
Registered: 11/28/09
Re: Pseudo inverse: small deviations, large error
Posted: Jan 13, 2013 3:30 AM
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Peter Mairhofer <63832452@gmx.net> wrote in message <kctdfo$1jc$1@news.albasani.net>...
> Hi,
>
> Can someone plain why I get such huge errors with only slight deviations?
>

> >> Hf
> Hf =
>
> 1.0e+003 *
>
> 1.6443 1.6516 1.6583
> 4.8373 4.8349 4.8334
> 4.6385 4.6418 4.6445
> -9.6014 -9.6084 -9.6154

===============

The condition number of this matrix (if that's what you're using) is none too fantastic,

>> cond(Hf)

ans =

7.4356e+04



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