is series available in maxima?



Hi there: I am trying to solve Airy's equation by power series
I found a manual that says that this can done in DOE-macsyma with
load(series)$
depends(y,x)$
eq:'diff(y,x,2)+x*y=0; 
niceindices(series(eq,y,x))

It seems that series does not work in maxima,
I am using maxima 5.11
any suggestions?


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Ph D. Gerardo Mario Ortigoza Capetillo
Instituto de Ingenier?a Universidad Veracruzana
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