Nonlinear Klein-Gordon and Schrödinger Equations by the Projected Differential Transform Method

Table 6

Comparison for the 𝐿_∞ errors between the exact solution and approximate solutions obtained by SSFD, DTM, and PDTM at 𝑡=4.

SSFD	DTM	PDTM
8.115×10^−4	7.203×10^−4	7.203×10^−4