
 Try the examples in this order.

 (You can compile the *.c files directly without create a project)

        F : Fractions 
        I : Intergers


        LUF.c       LUI.c      : LU decomposition..
       LUF3.c      LUI3.c
       LUF4.c      LUI4.c       

     LUFdet.c    LUIdet.c      : Det(A) = Det(L).

     LUFinv.c    LUIinv.c      : invA = invU invL. 

     LUFnot.c    LUInot.c      : LU decomposition are not unique.    