Question: Given a training sample (x(i) = [3,4], y() = 2) for softmax regression of 3 classes. Current parameters for the three classes are =
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Given a training sample (x(i) = [3,4], y() = 2) for softmax regression of 3 classes. Current parameters for the three classes are = [-7,2,3], 0 = [4,-2,3], 03 [5,4,-2]. (1) (20 points) Find the cross-entropy cost function value for this training sample. = (2) (20 points) Find negative gradients of 01, 02, 03, with this training sample and the cross- entropy cost function.
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