Mathematical Problems in Engineering

Research Article

Numerical Approximation of Nonlinear Klein-Gordon Equation Using an Element-Free Approach

Table 3

Values of -norm errors and -norm errors and CPU time as functions of the number of nodes () for the solutions of Example  2 ( = 1, = 0.1, and = 2.2).
-norm error errorCPU time (s)
62.1937 × 10−21.7231 × 10−20.1081
213.3745 × 10−42.0891 × 10−40.2683
263.7023 × 10−41.6600 × 10−40.3275
515.1750 × 10−41.6589 × 10−40.6268
1017.2991 × 10−41.6588 × 10−41.1983