An Illustrative Example, iterative steps

The table here demonstrates the convergence as a function of the number of iterations or time steps. After twelve iterations we have reached the exact value with six leading digits.

Iteration \( w_1 \) \( w_2 \) \( w_3 \) \( w_4 \)
0 1.000000 0.000000 0.000000 0.000000
1 0.250000 0.500000 0.000000 0.250000
2 0.201389 0.319444 0.055556 0.423611
3 0.247878 0.312886 0.056327 0.382909
4 0.245494 0.321106 0.055888 0.377513
5 0.243847 0.319941 0.056636 0.379575
6 0.244274 0.319547 0.056788 0.379391
7 0.244333 0.319611 0.056801 0.379255
8 0.244314 0.319610 0.056813 0.379264
9 0.244317 0.319603 0.056817 0.379264
10 0.244318 0.319602 0.056818 0.379262
11 0.244318 0.319602 0.056818 0.379261
12 0.244318 0.319602 0.056818 0.379261
\( \hat{w}(t=\infty) \) 0.244318 0.319602 0.056818 0.379261