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• 0:23:03: Q1 Why init W to be 0 is a bad idea? ANS: output will be zero. partial L/partial X is zero

• 0:39:56: Q2. Do you know when we will have Var(XY) = Var(X) Var(Y)? ANS: X and Y are uncorrelated

• 1:08:37: Q3. What do you expect the first term should be? ANS: 0

• 1:11:05: Q4. Is the second one zero as well? ANS: No

• 1:15:40: Q5. What is k here? the scaling factor as shown here? ANS: 1/2