L_2 Error: [6.33463e-17, 5.7748e-17, 9.89636e-17]
L_2 Residual: 1.86079e-15
Function appears to be linear
L_2 Error: [0.0111046, 0.617976, 1.69459]
L_2 Residual: 1.36359
Function appears to be linear