Fig. 12.

Error $\delta w_{\mathrm{c}}(\mathbf{r})=w_{\mathrm{c},\mathrm{exact}}(\mathbf{r})-w_{\mathrm{c},\mathrm{model}}(\mathbf{r})$ multiplied by the volume element and density obtained with the SPL approximation (first panel) and error in ${\overline{w}}_{\mathrm{c}}(r)$ obtained with the same SPL approximation (second panel). The high-density scaling is applied. For the SPL interpolation formula, see “Appendix”