On Numerical Examples of Boundary Knot Method for Helmholtz-Type Equation | Wuhan University Journal of Natural Sciences

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Fig. 3

Solutions and error distribution between the two solutions for Case 2

(a) the BKM numerical solution $u_{2}$ ; (b) the PDE toolbox solution $u_{3}$ ; (c) the error distribution $E_{u_{3} - u_{2}}$ between $u_{3}$ and $u_{2}$ against the test points.

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