Stability Mountain for Majid/Suleiman/Omar

Here we analyze the method from Majid/Suleiman/Omar . This is a block implicit method of order 4. $$ \begin{array}{r|rrr} p=4 & 1 & 2 & 3\cr \hline -1 & -24 & 0 & 0 \cr 0 & 24 & -24 & 0 \cr 1 & 0 & 24 & -24 \cr 2 & 0 & 0 & 24 \cr \hline -1 & 9 & -1 & 1 \cr 0 & 19 & 13 & -5 \cr 1 & -5 & 13 & 19 \cr 2 & 1 & -1 & 9 \cr \hline c_{5i} & -0.026 & 0.015 & -0.026\cr \end{array} $$ The error constant is $$…