However, this solution doesn't check out.
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Originally Posted by dwsmith However, this solution doesn't check out. There's a mistake in this line It should be Notice the location of the .
So for psi, the y should be with it as well then?
Yep you got it! BTW - what book are you going through and are you doing it independently?
Originally Posted by Danny Yep you got it! BTW - what book are you going through and are you doing it independently? Elementary Partial Differential Equations by Berg and McGregor 1966. Yes, independently.
Originally Posted by dwsmith Elementary Partial Differential Equations by Berg and McGregor 1966. Yes, independently. Wow - that's an old book. Couldn't you find anything more recent?
Originally Posted by Danny Wow - that's an old book. Couldn't you find anything more recent? That is the one my prof likes.
I don't mind the book but it lacks in examples.
Last edited by dwsmith; Jan 5th 2011 at 04:21 PM.