Research Article

Comparison Analysis Based on the Cubic Spline Wavelet and Daubechies Wavelet of Harmonic Balance Method

Figure 1

(a): Sparsity pattern of the periodized transform matrix by the periodized D4 wavelets; (b): sparsity pattern of the inverse transform matrix of the cubic spline wavelet.
634974.fig.001a
(a)
634974.fig.001b
(b)