Figure 1From: The error analysis of Crank-Nicolson-type difference scheme for fractional subdiffusion equation with spatially variable coefficient The error surface figures with \(\pmb{h=\tau=\frac{1}{10}}\) (left) and \(\pmb{h=\tau=\frac{1}{40}}\) (right) when \(\pmb{\alpha=0.1}\) . Back to article page