Question: Repeat Problem using two cubic elements.
Problem: Suppose that it is desired to find the approximate solution of
![1210_15.png](https://secure.tutorsglobe.com/CMSImages/1210_15.png)
Subject to u(O) =0, u(l) = 1. Find the form of the approximate minimization problem obtained by approximating u above by the basic linear finite element approximation, using four elements.