Node - Operation
Line - Tensor
Regression Classfication
Binary Classfication
Multi label Classification
Scalar - 0 dimen
Vector - 1 dimen
Matrix - 2 dimen
n-Tensor - n dimen
Rank - dimension
Shape - Row Col pair
Linear Regression
W(y) = Wx + b;
cost = mean(square(W(x) - real value));
# Minimizing cost
- Gradient descent