bugGNU Octave - Bugs: bug #49838, ode23 and ode45 don't correctly...


bug #49838: ode23 and ode45 don't correctly handle a constant mass matrix

Submitted by:  Bill Greene <billgreene>
Submitted on:  Tue 13 Dec 2016 08:33:51 PM UTC  
Category: Octave FunctionSeverity: 3 - Normal
Priority: 5 - NormalItem Group: Incorrect Result
Status: NoneAssigned to: Carlo de Falco <cdf>
Originator Name: Open/Closed: Open
Release: 4.2.0Operating System: Any

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Tue 13 Dec 2016 08:33:51 PM UTC, original submission:

The Mass option is not being correctly handled.

This is basically the same as the problem reported against the
odepkg versions of these functions in this bug report:

But I'm resubmitting since these functions are now part of
core Octave.

I have attached two patch files that fix this problem.

Bill Greene <billgreene>


(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

Attach File(s):

Attached Files
file #39215:  ode23.patch added by billgreene (2KiB - application/octet-stream)
file #39216:  ode45.patch added by billgreene (1KiB - application/octet-stream)


Depends on the following items: None found

Items that depend on this one: None found


Carbon-Copy List
  • -unavailable- added by cdf (Updated the item)
  • -unavailable- added by billgreene (Submitted the item)

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    Follow 3 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Wed 14 Dec 2016 12:08:43 PM UTCcdfAssigned toNone=>cdf
    Tue 13 Dec 2016 08:33:51 PM UTCbillgreeneAttached File-=>Added ode23.patch, #39215
      Attached File-=>Added ode45.patch, #39216

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