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A general meshsize fourth-order compact difference discretization scheme for 3D Poisson equation.

Jie WangWeijun ZhongJun Zhang
Published in: Appl. Math. Comput. (2006)
Keyphrases
  • fourth order
  • poisson equation
  • partial differential equations
  • noise removal
  • high order
  • image restoration
  • gradient field
  • boundary value problem