The finite element method obtains the correct solution for any finite element model by. minimizing the energy functional. The minimum of the functional is found by setting the. derivative of the functional with respect to the unknown grid point potential for zero.
Traditionally, 12 days. It goes from Christmas Day, Dec 25, through January 6th, the day of Epiphany. However Its different for different people. For Secular people the secular Christmas lasts usually one or 2 days. However for religious people such as most Christians Christmas actually lasts for 12 days.
The Epiphany season is seen as in some sense a continuation of the Christmas season, and together they last forty days. The three main events focused on during the Epiphany season are the visit of the Magi, the baptism of Jesus, and Jesus' miracle at the marriage at Cana.