simeq_newton2.c running 
random A generated 
X_soln[0]=1.100000 
X_soln[1]=1.200000 
X_soln[2]=1.400000 
X_soln[3]=1.500000 
X_soln[4]=1.320000 
X_soln[5]=1.540000 
X_soln[6]=1.650000 
X_soln[7]=1.680000 
X_soln[8]=1.800000 
X_soln[9]=2.100000 

Y[0]=8.894195 
Y[1]=5.913214 
Y[2]=9.485769 
Y[3]=7.209302 
Y[4]=5.205341 
Y[5]=5.993627 
Y[6]=8.020988 
Y[7]=8.358348 
Y[8]=6.356962 
Y[9]=5.874420 

X_prev[0]=1.000000 
X_prev[1]=1.000000 
X_prev[2]=1.000000 
X_prev[3]=1.000000 
X_prev[4]=1.000000 
X_prev[5]=1.000000 
X_prev[6]=1.000000 
X_prev[7]=1.000000 
X_prev[8]=1.000000 
X_prev[9]=1.000000 

residual X_temp[0]=-3.077253 
residual X_temp[1]=-2.119038 
residual X_temp[2]=-3.580279 
residual X_temp[3]=-2.258472 
residual X_temp[4]=-1.674294 
residual X_temp[5]=-2.133373 
residual X_temp[6]=-2.536157 
residual X_temp[7]=-2.852091 
residual X_temp[8]=-2.355930 
residual X_temp[9]=-1.866392 

itr 0, prevres=1e+12, residual=24.4533, err=5.29 
Ja computed 
Ja inverted 
change X_tmp2[0]=-0.100000 
change X_tmp2[1]=-0.200000 
change X_tmp2[2]=-0.400000 
change X_tmp2[3]=-0.500000 
change X_tmp2[4]=-0.020000 
change X_tmp2[5]=-0.040000 
change X_tmp2[6]=-0.050000 
change X_tmp2[7]=-0.080000 
change X_tmp2[8]=-0.100000 
change X_tmp2[9]=-0.200000 

X_next[0]=1.100000 
X_next[1]=1.200000 
X_next[2]=1.400000 
X_next[3]=1.500000 
X_next[4]=1.020000 
X_next[5]=1.040000 
X_next[6]=1.050000 
X_next[7]=1.080000 
X_next[8]=1.100000 
X_next[9]=1.200000 


residual X_temp[0]=-1.840093 
residual X_temp[1]=-1.559473 
residual X_temp[2]=-2.577260 
residual X_temp[3]=-1.428127 
residual X_temp[4]=-1.311820 
residual X_temp[5]=-1.550473 
residual X_temp[6]=-1.600650 
residual X_temp[7]=-2.261507 
residual X_temp[8]=-2.011256 
residual X_temp[9]=-1.262128 

itr 1, prevres=24.4533, residual=17.4028, err=3.6 
Ja computed 
Ja inverted 
change X_tmp2[0]=-0.000000 
change X_tmp2[1]=0.000000 
change X_tmp2[2]=-0.000000 
change X_tmp2[3]=0.000000 
change X_tmp2[4]=-0.300000 
change X_tmp2[5]=-0.500000 
change X_tmp2[6]=-0.600000 
change X_tmp2[7]=-0.600000 
change X_tmp2[8]=-0.700000 
change X_tmp2[9]=-0.900000 

X_next[0]=1.100000 
X_next[1]=1.200000 
X_next[2]=1.400000 
X_next[3]=1.500000 
X_next[4]=1.320000 
X_next[5]=1.540000 
X_next[6]=1.650000 
X_next[7]=1.680000 
X_next[8]=1.800000 
X_next[9]=2.100000 


residual X_temp[0]=-0.000000 
residual X_temp[1]=-0.000000 
residual X_temp[2]=-0.000000 
residual X_temp[3]=-0.000000 
residual X_temp[4]=-0.000000 
residual X_temp[5]=-0.000000 
residual X_temp[6]=-0.000000 
residual X_temp[7]=-0.000000 
residual X_temp[8]=-0.000000 
residual X_temp[9]=-0.000000 

itr 2, prevres=17.4028, residual=5.74651e-13, err=2.085e-13 
simeq_newton2 finished