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Compute the Green's function for one dimensional Laplacian operator?

Posted 6 years ago

I am trying to compute the Green's function for one dimensional Laplacian operator. The command I'm using is-

GreenFunction[Laplacian[u[x],x], u[x], x \[Element] FullRegion[1], m]

There is no result for this command, However when I'm using this command for two dimensional case-

GreenFunction[  Laplacian[
  u[x, y], {x, y}], 
 u[x, y], {x , y} \[Element] FullRegion[2], {m, n}],

Mathematica is giving me the correct result. Can someone please help?

POSTED BY: Hiya Mukherjee
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