[regression] text and example for cost function figure

2020-12-18 13:10:53 +01:00
parent 99a8a9d91e
commit fefe1c3726
2 changed files with 34 additions and 24 deletions
--- a/regression/code/plotcubiccosts.m
+++ b/regression/code/plotcubiccosts.m
@@ -0,0 +1,9 @@
+cs = 2.0:0.1:8.0;
+mses = zeros(length(cs));
+for i = 1:length(cs)
+    mses(i) = meanSquaredErrorCubic(x, y, cs(i));
+end
+
+plot(cs, mses)
+xlabel('c')
+ylabel('mean squared error')