We can proceed to eliminate all the variables down to the nth. We have then converted the problem to an upper-triangular form, which can be solved by the procedure. A MATLAB function to solve...

We can proceed to eliminate all the variables down to the nth. We have then converted the problem to an upper-triangular form, which can be solved by the procedure. A MATLAB function to solve (5.25) called the tri diagonal or Thomas algorithm is shown.