Figure 4.

Magnitude (a), (b) and phase (c), (d) of the coefficients<a onClick="popup('http://www.boundaryvalueproblems.com/content/2013/1/113/mathml/M122','MathML',630,470);return false;" target="_blank" href="http://www.boundaryvalueproblems.com/content/2013/1/113/mathml/M122">View MathML</a>and<a onClick="popup('http://www.boundaryvalueproblems.com/content/2013/1/113/mathml/M123','MathML',630,470);return false;" target="_blank" href="http://www.boundaryvalueproblems.com/content/2013/1/113/mathml/M123">View MathML</a>relevant to the expansion<a onClick="popup('http://www.boundaryvalueproblems.com/content/2013/1/113/mathml/M124','MathML',630,470);return false;" target="_blank" href="http://www.boundaryvalueproblems.com/content/2013/1/113/mathml/M124">View MathML</a>of order<a onClick="popup('http://www.boundaryvalueproblems.com/content/2013/1/113/mathml/M107','MathML',630,470);return false;" target="_blank" href="http://www.boundaryvalueproblems.com/content/2013/1/113/mathml/M107">View MathML</a>representing the solution of the Dirichlet problem for the Laplace equation in the supershaped annulus<a onClick="popup('http://www.boundaryvalueproblems.com/content/2013/1/113/mathml/M98','MathML',630,470);return false;" target="_blank" href="http://www.boundaryvalueproblems.com/content/2013/1/113/mathml/M98">View MathML</a>described by the Gielis formula with parameters<a onClick="popup('http://www.boundaryvalueproblems.com/content/2013/1/113/mathml/M99','MathML',630,470);return false;" target="_blank" href="http://www.boundaryvalueproblems.com/content/2013/1/113/mathml/M99">View MathML</a>,<a onClick="popup('http://www.boundaryvalueproblems.com/content/2013/1/113/mathml/M100','MathML',630,470);return false;" target="_blank" href="http://www.boundaryvalueproblems.com/content/2013/1/113/mathml/M100">View MathML</a>,<a onClick="popup('http://www.boundaryvalueproblems.com/content/2013/1/113/mathml/M101','MathML',630,470);return false;" target="_blank" href="http://www.boundaryvalueproblems.com/content/2013/1/113/mathml/M101">View MathML</a>,<a onClick="popup('http://www.boundaryvalueproblems.com/content/2013/1/113/mathml/M102','MathML',630,470);return false;" target="_blank" href="http://www.boundaryvalueproblems.com/content/2013/1/113/mathml/M102">View MathML</a>,<a onClick="popup('http://www.boundaryvalueproblems.com/content/2013/1/113/mathml/M103','MathML',630,470);return false;" target="_blank" href="http://www.boundaryvalueproblems.com/content/2013/1/113/mathml/M103">View MathML</a>.

Caratelli et al. Boundary Value Problems 2013 2013:113   doi:10.1186/1687-2770-2013-113
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