Figure 1From: An efficient iterative approach for three-dimensional modified anomalous fractional sub-diffusion equations on a large domainThe graphs of the approximate solution \(u(x,8\pi ,8\pi ,t)\) for Example 1 via the standard VIM (left side) and the upgraded VIM with \(h=0.18\) as an auxiliary parameter (right side) in the case \((\alpha =\beta =\frac{1}{4}, \gamma =\frac{1}{2})\)Back to article page