Talk:Sturm-Liouville theory: Difference between revisions

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imported>David E. Volk
(Bessel function in S-L seems off, but I am not sure of this.)
imported>David E. Volk
m (→‎Bessel equation in S-L form: nowiki fix to equation parts)
Line 9: Line 9:


== Bessel equation in S-L form ==
== Bessel equation in S-L form ==
Is the Bessel equation in S-L form correct?  I don't see where the xy' term has gone.  Clearly everything was divided by x, and the first term (after division by x) XY'' becomes (xy')'.
Is the Bessel equation in S-L form correct?  I don't see where the xy' term has gone.  Clearly everything was divided by x, and the first term (after division by x) <nowiki> XY'' becomes (xy')'.


Shouldn't (xy'' + y') become (xy' + y)'?
Shouldn't (xy'' + y') become (xy' + y)' </nowiki>?
[[User:David E. Volk|David E. Volk]] 13:21, 6 October 2009 (UTC)
[[User:David E. Volk|David E. Volk]] 13:21, 6 October 2009 (UTC)

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 Definition A special second order linear ordinary differential equation. [d] [e]
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Numbered equations

Hi Daniel,

I had to transform the templates provided in the WP article for numbered equations into plain old wikimarkup. I attempted to bring these templates over from WP, but they called many other templates and when I got them all over, the combined result didn't work. I decided to use a simple bit of html that defined a span with right justification and also defined an anchor. To reference the equation you then only need to insert a mediawiki markup referencing the anchor. It wouldn't be hard to turn this all into two templates if you think that would be useful. Dan Nessett 19:28, 2 September 2009 (UTC)


Bessel equation in S-L form

Is the Bessel equation in S-L form correct? I don't see where the xy' term has gone. Clearly everything was divided by x, and the first term (after division by x) XY'' becomes (xy')'. Shouldn't (xy'' + y') become (xy' + y)' ? David E. Volk 13:21, 6 October 2009 (UTC)