bugGNU Octave - Bugs: bug #57069, [octave forge] (splines) Slopes...

 
 

bug #57069: [octave forge] (splines) Slopes are incorrectly imposed for N-d data when using csape with 'complete' end conditions

Submitted by:  Eric Barnett <erbarnett>
Submitted on:  Thu 17 Oct 2019 06:13:56 AM UTC  
 
Category:  Octave Forge Package Severity:  3 - Normal
Priority:  5 - Normal Item Group:  Incorrect Result
Status:  None Assigned to:  None
Originator Name:  Open/Closed:  Open
Release:  4.2.2 Operating System:  GNU/Linux

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Thu 17 Oct 2019 07:09:45 PM UTC, comment #3: 

Great. I'll make a new release 1.3.3 with the fix.

Nir Krakauer <nir_krakauer>
Thu 17 Oct 2019 06:38:04 PM UTC, comment #2: 

I tested the fix and it works correctly for my problem. Thank you for the quick response, Nir!

Eric Barnett <erbarnett>
Thu 17 Oct 2019 03:58:11 PM UTC, comment #1: 

I pushed a fix to csape in the repository. Please verify that it works correctly for your problem.

Nir Krakauer <nir_krakauer>
Thu 17 Oct 2019 06:13:56 AM UTC, original submission:  

In the csape function of the splines 1.3.2 package, several of the calculations use valc(1) and valc(2), which will only work for 1-d data. In order to correctly impose the start- and end-point slopes for N-d data, valc(1,:) and valc(2,:) must be used.

Eric Barnett <erbarnett>

 

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    Follow 2 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2019-10-17 siko1056 SummarySlopes are incorrectly imposed for N-d data when using csape with 'complete' end conditions => [octave forge] (splines) Slopes are incorrectly imposed for N-d data when using csape with 'complete' end conditions
    2019-10-17 erbarnett Carbon-Copy- => Added erbarnett

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