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Re: ode45 gives solution in the "Dark Side," but not in Octave
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From: |
John W. Eaton |
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Subject: |
Re: ode45 gives solution in the "Dark Side," but not in Octave |
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Date: |
Thu, 3 Sep 2009 08:21:16 -0400 |
On 3-Sep-2009, John B. Thoo wrote:
| With ode78, I can plot up to three frames. ode5r gives an error:
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| octave-3.2.2:11> run_twoway
| error: `ode5r' undefined near line 36 column 11
| error: called from:
| error: /Users/jbthoo/Desktop/NumMethPractice/MHD/TwoWay/
| run_twoway.m at line 36, column 9
| octave-3.2.2:11>
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| But you've given me an idea: I look in ~/octave/odepkg-0.6.7/, and
| see I also have ode23 and ode54. Unfortunately,
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| With ode23, I can plot up to seven frames.
| With ode54, I can plot up to four frames.
Did you try my wrapper for lsode? I'm curious to know whether it can
solve your problem.
jwe