Hello,

I have the DE....

I know that

gives

The solution in the text gives

but Im not sure why the solution has the part.

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- December 11th 2010, 02:14 AMJacksonRDifferential Equation
Hello,

I have the DE....

I know that

gives

The solution in the text gives

but Im not sure why the solution has the part. - December 11th 2010, 02:36 AMFernandoRevilla
Necessarily, should be a solution for the complete equation. Equivalently:

(Of course with ) :)

Fernando Revilla - December 11th 2010, 05:55 AMchisigma
The function is a particular solution of the DE only if is , i.e. . For all other this particular solution is...

(1)

http://digilander.libero.it/luposaba...ato[1].jpg

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