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Question: Differential Operator

Question:Differential Operator

SandorSzabo 607 Maple
July 30 2007
0
I want to define the operator L(g):=(phi*D)(g), which to be understood L(g)(x):=phi(x)*g'(x), phi is a fixed smooth function. One solution would be to write a procedure, but I would like a more elegant method. How can I do it?
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