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Reference.org
Boundary particle method
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<p>In <a href="/facts/Applied_mathematics/qyqklXXm">applied mathematics</a>, the boundary particle method (BPM) is a boundary-only <a href="/facts/Meshfree_method/uUhEQD3K">meshless (meshfree)</a> <a href="/facts/Collocation_method/YMVkNS7m">collocation technique</a>, in the sense that none of inner nodes are required in the numerical solution of nonhomogeneous <a href="/facts/Partial_differential_equations/DyPsBlv7">partial differential equations</a>. Numerical experiments show that the BPM has spectral convergence. Its interpolation matrix can be symmetric. </p>