gradient_descent_easy

  Using learning rate r =  0.5
  theta =  [[-3.33594517e+80]
 [-3.98297312e+80]]
  mse6 =  [5.94434886e+161]
  Graphics saved as 'gradient_descent_easy_r0.5.png.

  Using learning rate r =  0.05
  theta =  [[6.44430785]
 [2.95246948]]
  mse6 =  [1.92383461]
  Graphics saved as 'gradient_descent_easy_r0.05.png.