Question: The (m 1) (m 1) tridiagonal matrix is involved in the Forward Difference method to solve the heat equation. For the stability

The (m ˆ’ 1) Ã— (m ˆ’ 1) tridiagonal matrix

is involved in the Forward Difference method to solve the heat equation. For the stability of the method we need Ï(A) a. Î± = 1/4
b. Î± = 1/2
c. Î± = 3/4
When is the method stable?

0 a, 1-2 .

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