Runge Kutta Chebyshev Method for parabolic ... - Brown University
Runge Kutta Chebyshev Method for parabolic ... - Brown University
Runge Kutta Chebyshev Method for parabolic ... - Brown University
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Introduction Properties Pros and Cons Examples References<br />
Stability function<br />
Scalar test equation:<br />
Ps is defined recursively:<br />
˙U(t) = λU(t) (20)<br />
Un+1 = Ps(z)Un, z = τλ (21)<br />
P0(z) = 1, (22)<br />
P1(z) = 1 + ˜µ1z, (23)<br />
Pj(z) = (1 − µj − νj) + ˜γjz + (µj + ˜µjz)Pj−1(z) + νjPj−2(z) (2 �<br />
(24)<br />
<strong>for</strong> each stage, we have<br />
Uj = Pj(z)Un, (0 � j � s) (25)