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MathGroup Archive 1999

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Separating

  • To: mathgroup at smc.vnet.net
  • Subject: [mg20415] Separating
  • From: Klamser <Klamser at t-online.de>
  • Date: Tue, 26 Oct 1999 00:33:02 -0400
  • Organization: T-Online
  • Sender: owner-wri-mathgroup at wolfram.com

Hi, I want to separate a pde to the independents x and y.

Example:

Separate 

\!\(\*
  RowBox[{
    FractionBox[
      RowBox[{"EModul", " ", 
        RowBox[{"(", 
          RowBox[{
            RowBox[{\(-\[Lambda]\), " ", 
              RowBox[{
                SuperscriptBox["ux", "\[Prime]",
                  MultilineFunction->None], "[", "x", "]"}], " ", 
              RowBox[{
                SuperscriptBox["uy", "\[Prime]",
                  MultilineFunction->None], "[", "y", "]"}]}], "+", 
            RowBox[{\((1 + Inv0 + Inv0\ \[Lambda]\^2)\), " ", 
              RowBox[{"(", 
                RowBox[{
                  RowBox[{\((1 + Inv0)\), " ", \(uy[y]\), " ", 
                    RowBox[{
                      SuperscriptBox["ux", "\[Prime]\[Prime]",
                        MultilineFunction->None], "[", "x", "]"}]}],
"+", 
                  RowBox[{"Inv0", " ", \(ux[x]\), " ", 
                    RowBox[{
                      SuperscriptBox["uy", "\[Prime]\[Prime]",
                        MultilineFunction->None], "[", "y", "]"}]}]}], 
                ")"}]}]}], ")"}]}], \(Inv0\^2\)], "==", "0"}]\)

to x (or y).

Yours sincerely, Peter Klamser



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