In C1_W2_Lab04_FeatEng_PolyReg_Soln

Course Q&A Machine Learning Specialization Supervised ML: Regression and Classification
1

plt.plot(x,X@model_w + model_b)
what @ refers to here? is it same as np.dot(X,model_w)?

2

That’s a numpy shortcut for the np.dot() function.