1.996097016433699
[2.03251194 2.20253084 2.82183232]
   temperature  resistivity       fit  residual
0     2.000000     2.018205  2.004354  0.013851
1     2.190955     1.996823  2.006006 -0.009184
2     2.381910     2.013438  2.007809  0.005629
3     2.572864     2.010402  2.009762  0.000639
4     2.763819     2.013016  2.011866  0.001150
