Research Article

A Fourier Continuation Method for the Solution of Elliptic Eigenvalue Problems in General Domains

Table 3

Computational time required for evaluation of the Laplacian for the smoothed L-shaped membrane. All computations were performed on a 2.67 GHz Intel Xeon processor.

Time per operation (s) Number of operations Total time in (s)

9216 0.012912 6820 88.0598
18225 0.018062 14736 266.1676
36864 0.031643 21469 679.3593
72990 0.049035 44212 2167.9487
147456 0.149842 88070 13196.5794