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[Octave-bug-tracker] [bug #50192] ode15s does not work when the initial


From: Marco Caliari
Subject: [Octave-bug-tracker] [bug #50192] ode15s does not work when the initial value is a row
Date: Sun, 5 Feb 2017 17:20:08 +0000 (UTC)
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:51.0) Gecko/20100101 Firefox/51.0

Follow-up Comment #2, bug #50192 (project octave):

Done. I allowed ode15i to work with both y0 and y0p row vectors, as written in
the documentation, although the following


A=eye(2);,[tout, yout] = ode15i (@(t, y, yp) A * y - A * yp, [0, 1], [1, 1],
[1, 1]);


does not work in Matlab R2014b.
Moreover, in all the integrators I see a sentence like


@var{init} contains the initial value for the unknowns.  If it is a row vector
then the solution @var{y} will be a matrix in which each column is the
solution for the corresponding initial value in @var{init}.


This is true, but it is true also if @var{init} is a column vector.

(file #39673)
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Additional Item Attachment:

File name: ode15s.diff                    Size:4 KB


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