deTaylor
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05-22-2015, 09:44 PM
(This post was last modified: 05-22-2015 09:48 PM by fhub.)
Post: #5
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RE: deTaylor
(05-22-2015 08:31 PM)salvomic Wrote: Parisse has already added the solution for y'=(x+y)^2 in XCas, but it was after the last FW was ready. I hope this will be added in the next firmware.Well, in the meantime you could also use the following function: Code:
Works only for ODEs of the type y'=f(a*x+b*y+c) with a,b,c=const. For your example y'=(x+y)^2 just enter: deLinSubst((x+y)^2,x,y) (enter only the RHS, not y'=...) In this simple form you get a solution only if Xcas can 'solve' the equation for y, but it could easily be modified to return at least an implicit solution if the equation is unsolvable. Franz |
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Messages In This Thread |
RE: deTaylor - salvomic - 05-22-2015, 06:10 PM
RE: deTaylor - fhub - 05-22-2015, 08:27 PM
RE: deTaylor - salvomic - 05-22-2015, 08:31 PM
RE: deTaylor - fhub - 05-22-2015 09:44 PM
RE: deTaylor - salvomic - 05-22-2015, 10:13 PM
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