Research Article

The Interaction of Iteration Error and Stability for Linear Partial Differential Equations Coupled through an Interface

Figure 10

Spectral radii for multirate example 1 in 2 spatial dimensions. , (a), and , (b). Black is , dotted black is , green is , blue is , and red marks the value one. The horizontal axis shows the size of the large time step.
(a)
(b)