A model of the cashier’s brain
with arbitrary initial weights
•
Residual error = 350
•
The learning rule is:
•
With a learning rate
of
1/35, the weight changes
are +20, +50, +30
•
This gives new weights of
70, 100, 80
•
Notice that the weight for
chips got worse!
Price of meal = 500
50
50
50
portions
of fish
portions
of chips
portions
of beer