Self Evaluation Exercises for NN

Solution VDO is here

2. To train a TLN, if the current weights is [2,1,-4] and a negative input [1, 3, 1] is fed into this TLN. What is the result (positive or negative) that this example will be classified? If the learning rate is 0.1, what is the updated weight after we train this TLN using this example? (Ans: Positive, [1.9, 0.7, -4.1])