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quiz3_2009

# The perceptron will learn ab in fewer training steps

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Unformatted text preview: raining steps D. The perceptron will learn A→B in more training steps E. None of these is true 8 Part B (20 points) Given this three-node neural network, and the training data on the right x y w11 w12 w21 w1T w31 -1 w v -1 3T w32 w22 w2T -1 1. Indicate which of the following sets of weights will separate the dots from the diamonds by circling their letters. NOTE: more than one may work! w 11 A B C D E F w 12 3 -2 1 4 2 4 w 1T 2 -2 1 4 -2 4 w 21 1 -1 0.5 2 1 2 w 22 4 3 1 6 2 6 5 3 1 6 -2 6 w 2T w 31 w 32 w 3T -2 -100 -100 -150 -1.5 128 128 173 -0.5 97 97 128 -3 96 -95 -52 1 100 100 50 -3 -101 102 148 2. For (at least) one of the sets of weights you chose above, write the simplest mathematical representation for it using + - * /, inequalities, and/or boolean operations. Which line? mathematical expression: 3. When training the three-node neural network at the top of the page using back-propagation, if the current weights are the ones given in choice A, then, for the training example x=0 y=0, if y*=1, what is δ1? See the tear-off sheet for notes on back-propagation. You...
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