On page 154, Example 5.11 you first define y = Φθ (5.75) and then e(θ):=y-Φθ (5.77). Something is missing here
since if (5.75) holds then, according to definition (5.77), e(θ) must be always zero.
Location
Please provide the
version (bottom of page) 2021-07-09
Chapter 5
page 154
line number/equation number 5.75 and 5.77
Proposed solution
Explain what (5.75) exactly means since obviously it is not an equation (otherwise in 5.77 e would be identical to zero).
Additional context
Add any other context about the problem here.
For the correct parameters, that is correct. When we start learning, we initialize the parameters in some (random) way, and then use the gradient signal to find the 'correct' ones.
Describe the mistake
On page 154, Example 5.11 you first define y = Φθ (5.75) and then e(θ):=y-Φθ (5.77). Something is missing here since if (5.75) holds then, according to definition (5.77), e(θ) must be always zero.
Location Please provide the
Proposed solution Explain what (5.75) exactly means since obviously it is not an equation (otherwise in 5.77 e would be identical to zero).
Additional context Add any other context about the problem here.