Chronological Inversion of the Dirac Matrix

• Figure 1. Number of CG steps vs. Number of vectors for various values of $\delta t$ for the Minimal Residual method.
• Figure 2. Starting residue vs. Number of vectors for various values of $\delta t$ for the Minimal Residual method.
• Figure 3. Contour plot of number of CG steps.
• Figure 4. CT vs. Number of vectors for various values of $\delta t$ for the Minimal Residual method.
• Figure 5. Contour plot of CT for the Minimal Residual method.
• Figure 6. Example of Convergence of the CG as a function of the number of extrapolation vectors for a single lattice and $\delta t=0.010$. The method use was Minimal Residual and the number of vectors varies from $0$ (top line) to $11$ (bottom line).
• Figure 7. Number of CG steps vs. Number of vectors for various values of $\delta t$ for the Polynomial extrapolation.
• Figure 8. Starting residue vs. Number of vectors for various values of $\delta t$ for the Polynomial extrapolation.
• Figure 9. Contour plot of number of CG steps for the Polynomial extrapolation.
• Figure 10. CT vs. Number of vectors for various values of $\delta t$ for the Polynomial extrapolation.
• Figure 11. Contour plot of CT for the Polynomial extrapolation.
• Figure 12. Action variation in a forward-backward trajectory. The initial action has been subtracted. This graph was done using, $R<10^{-10}$ as a stopping criterion and $\delta t = 0.010$.
• Figure 13. Energy difference of symmetric points in a forward-backward trajectory for various values of the tolerance $R$