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- We can take all the PPCG equations and multiply them by the
transformation matrix P and convert them into ``
''
equations.
- Scale factor
![](img108.gif)
- Iteration
![](img109.gif)
- Residual
![](img110.gif)
- Residual components in diagonalized coordinate system
![](img111.gif)
where
labels components
Geoffrey Fox, Northeast Parallel Architectures Center at Syracuse University, gcf@npac.syr.edu