Example 5.7 (Linear Discontinuous Elements) Input  Number of Boundary Elements = 16  Number of InteriorPoints = 5  Coordinates of the Extreme Points  of the  Boundary Elements   Point      X          Y 1       0.0010     0.0000 2       2.0000     0.0000 3       4.0000     0.0000 4       5.9990     0.0000 5       6.0000     0.0010 6       6.0000     2.0000 7       6.0000     4.0000 8       6.0000     5.9990 9       5.9990     6.000010       4.0000     6.000011       2.0000     6.000012       0.0010     6.000013       0.0000     0.599014       0.0000     4.000015       0.0000     2.000016       0.0000     0.0010 Boundary  Conditions                First Node             Second Node               Prescribed             PrescribedElement     CODE   Value           CODE    Value 1			 0     0.0000			 0     0.0000 2			 0     0.0000			 0     0.0000 3			 0     0.0000			 0     0.0000 4			 0     0.0000			 1    46.1900 5			 1    46.1900			 1    46.1900 6			 1    46.1900			 1    46.1900 7			 1    46.1900			 1    46.1900 8			 1    46.1900			 0     4.2000 9			 0     4.2000			 0    84.000010			 0    84.0000			 0   168.000011			 0   168.0000			 0   247.800012			 0   247.8000			 1   -46.190013			 1   -46.1900			 1   -46.190014			 1   -46.1900			 1   -46.190015			 1   -46.1900			 1   -46.190016			 1   -46.1900			 0     0.0000Interior Point Coordinates       Xi         Yi     2.0000     2.0000     2.0000     4.0000     3.0000     3.0000     4.0000     2.0000     4.0000     4.0000 Solution: Boundary Nodes           (X,Y)               u       Prenodal q  Postnodal q(    0.0010,     0.0000)     0.0000   156.5302   156.5302(    2.0000,     0.0000)     0.0000   -16.8707   -16.8707(    4.0000,     0.0000)     0.0000   -17.7104   -17.7104(    5.9990,     0.0000)     0.0000  -103.2299  -103.2299(    6.0000,     0.0010)     6.1784    46.1900    46.1900(    6.0000,     2.0000)   114.0960    46.1900    46.1900(    6.0000,     4.0000)   131.4527    46.1900    46.1900(    6.0000,     5.9990)    12.4991    46.1900    46.1900(    5.9990,     6.0000)     4.2000  -151.6348  -151.6348(    4.0000,     6.0000)    84.0000    11.2953    11.2953(    2.0000,     6.0000)   168.0000    44.0098    44.0098(    0.0010,     6.0000)   247.8000    71.9776    71.9776(    0.0000,     0.5990)   -89.3071   -46.1900   -46.1900(    0.0000,     4.0000)    52.9450   -46.1900   -46.1900(    0.0000,     2.0000)  -116.3532   -46.1900   -46.1900(    0.0000,     0.0010)    -8.5014   -46.1900   -46.1900Interior Points           (Xi,Yi)            u          q_x          q_y(    2.0000,     2.0000)    16.6571    25.3384     20.5395(    2.0000,     4.0000)    84.4682    -1.0487     41.9869(    3.0000,     3.0000)    59.1773    12.0620     23.8646(    4.0000,     2.0000)    52.5295    17.4905     22.7641(    4.0000,     4.0000)    83.9397     4.0897      7.2784