In Figure 3.25 we studied the effect of reducing \(\sigma_{0}^{2}\) on the marginal likelihood. Using MATLAB, investigate the effect of increasing \(\sigma_{0}^{2}\).

Data from Figure 3.25

Marginal likelihood -97 x10 1 2 3 4 5 Polynomial order (a) = 0.7 Marginal likelihood 8 -100 10 6 1 2 3 4 5 B Polynomial order (b) = 0.4 7 0.8 0.6 Marginal likelibood 0.4 0.25 -103 x10 1 2 3 4 5 Polynomial order (c) = 0.3 6 7