bugGNU Octave - Bugs: bug #54577, [octave forge] (optim) lsqnonlin...

 
 

bug #54577: [octave forge] (optim) lsqnonlin error when requestion Jacobian output

Submitted by:  Ceral Paquet <octavebugs>
Submitted on:  Sun 26 Aug 2018 08:08:54 PM UTC  
 
Category:  Octave Forge Package Severity:  3 - Normal
Priority:  5 - Normal Item Group:  Unexpected Error
Status:  None Assigned to:  None
Originator Name:  Open/Closed:  Open
Release:  4.4.1 Operating System:  GNU/Linux

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Mon 27 Aug 2018 05:40:21 PM UTC, comment #4:

The function lsqnonlin is in the optim package. Changing the category to Octave Forge Package.

Rik <rik5>
Project Administrator
Sun 26 Aug 2018 08:21:13 PM UTC, comment #3:

lsqnonlin (@(x)sin(x),single([5]),-Inf,Inf);

Ceral Paquet <octavebugs>
Sun 26 Aug 2018 08:20:32 PM UTC, comment #2:

OK the interface here doesn't like my empty square brackets.

Try again with Infs.

Ceral Paquet <octavebugs>
Sun 26 Aug 2018 08:18:27 PM UTC, comment #1:

The error goes away if I specify dummy arguments for UB and LB. i.e. I need to trigger nargs>=4 in order to get the settings variable initialized.

Another issue I noticed is the Jacobian does not respect the precision of my input variable. This is important because the Jacobian is often gigantic and it helps to use single precision. We don't need to care too much about high precision since the Jacobian is based on a local linearization approximation anyway.

Ceral Paquet <octavebugs>
Sun 26 Aug 2018 08:08:54 PM UTC, original submission:
Ceral Paquet <octavebugs>

 

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    Follow 6 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2018-08-27 mtmiller Carbon-CopyRemoved 80942 => -
    2018-08-27 mtmiller Summaryoptim package: lsqnonlin error when requestion Jacobian output => [octave forge] (optim) lsqnonlin error when requestion Jacobian output
    2018-08-27 rik5 Carbon-CopyRemoved 72865 => -
    2018-08-27 rik5 CategoryNone => Octave Forge Package
        Item GroupNone => Unexpected Error
        Summaryoptim: error when requestion Jacobian output => optim package: lsqnonlin error when requestion Jacobian output

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