Applicazione di Runge-Kutta alla funzione:
 f = y-y**2

valori iniziali:
estremo a=   0.000000E+00    ya=   0.500000E+00
estremo b=   0.200000E+02   passo h=   0.150000E+00
 
L'integrazione non e' terminata: i=100

      tabella delle soluzioni

       x               y
   0.000000E+00   0.500000E+00
   0.150000E+00   0.537430E+00
   0.300000E+00   0.574442E+00
   0.450000E+00   0.610639E+00
   0.600000E+00   0.645656E+00
   0.750000E+00   0.679179E+00
   0.900000E+00   0.710949E+00
   0.105000E+01   0.740775E+00
   0.120000E+01   0.768525E+00
   0.135000E+01   0.794129E+00
   0.150000E+01   0.817574E+00
   0.165000E+01   0.838891E+00
   0.180000E+01   0.858149E+00
   0.195000E+01   0.875446E+00
   0.210000E+01   0.890903E+00
   0.225000E+01   0.904650E+00
   0.240000E+01   0.916827E+00
   0.255000E+01   0.927573E+00
   0.270000E+01   0.937026E+00
   0.285000E+01   0.945318E+00
   0.300000E+01   0.952574E+00
   0.315000E+01   0.958908E+00
   0.330000E+01   0.964429E+00
   0.345000E+01   0.969231E+00
   0.360000E+01   0.973403E+00
   0.375000E+01   0.977022E+00
   0.390000E+01   0.980160E+00
   0.405000E+01   0.982876E+00
   0.420000E+01   0.985226E+00
   0.435000E+01   0.987258E+00
   0.450000E+01   0.989013E+00
   0.465000E+01   0.990529E+00
   0.480000E+01   0.991837E+00
   0.495000E+01   0.992966E+00
   0.510000E+01   0.993940E+00
   0.525000E+01   0.994780E+00
   0.540000E+01   0.995504E+00
   0.555000E+01   0.996128E+00
   0.570000E+01   0.996665E+00
   0.585000E+01   0.997128E+00
   0.600000E+01   0.997527E+00
   0.615000E+01   0.997871E+00
   0.630000E+01   0.998167E+00
   0.645000E+01   0.998422E+00
   0.660000E+01   0.998641E+00
   0.675000E+01   0.998830E+00
   0.690000E+01   0.998993E+00
   0.705000E+01   0.999133E+00
   0.720000E+01   0.999254E+00
   0.735000E+01   0.999358E+00
   0.750000E+01   0.999447E+00
   0.765000E+01   0.999524E+00
   0.780000E+01   0.999590E+00
   0.795000E+01   0.999647E+00
   0.810000E+01   0.999697E+00
   0.825000E+01   0.999739E+00
   0.840000E+01   0.999775E+00
   0.855000E+01   0.999806E+00
   0.870000E+01   0.999833E+00
   0.885000E+01   0.999857E+00
   0.900000E+01   0.999877E+00
   0.915000E+01   0.999894E+00
   0.930000E+01   0.999909E+00
   0.945000E+01   0.999921E+00
   0.960000E+01   0.999932E+00
   0.975000E+01   0.999942E+00
   0.990000E+01   0.999950E+00
   0.100500E+02   0.999957E+00
   0.102000E+02   0.999963E+00
   0.103500E+02   0.999968E+00
   0.105000E+02   0.999972E+00
   0.106500E+02   0.999976E+00
   0.108000E+02   0.999980E+00
   0.109500E+02   0.999982E+00
   0.111000E+02   0.999985E+00
   0.112500E+02   0.999987E+00
   0.114000E+02   0.999989E+00
   0.115500E+02   0.999990E+00
   0.117000E+02   0.999992E+00
   0.118500E+02   0.999993E+00
   0.120000E+02   0.999994E+00
   0.121500E+02   0.999995E+00
   0.123000E+02   0.999995E+00
   0.124500E+02   0.999996E+00
   0.126000E+02   0.999997E+00
   0.127500E+02   0.999997E+00
   0.129000E+02   0.999997E+00
   0.130500E+02   0.999998E+00
   0.132000E+02   0.999998E+00
   0.133500E+02   0.999998E+00
   0.135000E+02   0.999999E+00
   0.136500E+02   0.999999E+00
   0.138000E+02   0.999999E+00
   0.139500E+02   0.999999E+00
   0.141000E+02   0.999999E+00
   0.142500E+02   0.999999E+00
   0.144000E+02   0.999999E+00
   0.145500E+02   0.100000E+01
   0.147000E+02   0.100000E+01
   0.148500E+02   0.100000E+01