[Maxima] kovacic algorithm

[nijso beishuizen]

Dear all,

Again, a question about something that was once written in/with macsyma and now (probably) lost...

Does somebody know of a surviving macsyma/maxima implementation of the kovacic algorithm (solving second order ode's using differential Galois theory)? In some papers from the beginning of the 80's the authors state that they 'have implemented the algorithm in macsyma', most notably Prelle&Singer (1983). At least 4 different groups have written a version in macsyma and one version of this algorithm was probably part of Macsyma at one point (mentioned in the Handbook of differential equations in 1989).

Kind regards,
NB


 		 	   		  
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