965 Example 7.32. The following values of x and y are given : 1 2 3 4 y : 1 2 5 11 Find the cubic splines and evaluate y(1.5) and y(3). 965 Example 7.32. The following values of x and y are given : 1 2 3 4 y : 1 2 5 11 Find the cubic splines and evaluate y(1.5) and y(3)