2.2 実験

oyabun% gcc -o fem1d fem1d.c
oyabun% ./fem1d
nodal values of u (節点での u の値)
   i      u       i      u       i      u    
   0   0.000e+00   1   9.500e-02   2   1.800e-01
   3   2.550e-01   4   3.200e-01   5   3.750e-01
   6   4.200e-01   7   4.550e-01   8   4.800e-01
   9   4.950e-01  10   5.000e-01
oyabun% cat fem1d.out 
0.000000 0.000000
0.100000 0.095000
0.200000 0.180000
0.300000 0.255000
0.400000 0.320000
0.500000 0.375000
0.600000 0.420000
0.700000 0.455000
0.800000 0.480000
0.900000 0.495000
1.000000 0.500000
oyabun% gnuplot
gnuplot> plot "fem1d.out" with lines