6 """7# Neural Network for XOR8import numpyasnp9import matplotlib.pyplotasplt1011HIDDEN_LAYER_SIZE=212INPUT_LAYER=2# input feature13NUM_LABELS=1# output class number14X=np.array([[0,0],[0,1],[1,0],[1,1]])15y=np.array([[0],[1],[1],[0]])161718defrand_initialize_weights(L_...
41 w_grad[-1] += delta * a_s[-1].T # L-1层的梯度 42 # 倒过来,从倒数第二层开始到第二层结束,不包括第一层和最后一层 43 for j in reversed(range(1, len(w))): 44 delta = np.multiply(w[j].T*delta, s_prime(a_s[j])) # 这里传递的参数是a,而不是z 45 w_grad[j-1] ...
Another limitation arose when the data were not linearly separable—for example, the classic “XOR.” A XOR gate resolves to “true” if the two inputs are different and resolves to “false” if both inputs are the same (Fig. 10.3). Minsky and Papert published these and other core ...
The truth table for a two-input XNOR gate reveals that the output is true when both inputs are the same and false when they differ. ABA ⊙ B 001 010 100 111 The XNOR gate is the inverse of the XOR gate. When input A is LOW and input B is LOW, the output is HIGH. Similarly, ...
If only one input is a table or timetable, then the other input must be a numeric or logical array. If both inputs are tables or timetables, then: Both inputs must have the same size, or one of them must be a one-row table. ...
Truth Table In digital Logic Circuits, a Truth Table is the Particular Combination of inputs and Outputs of a Circuit.The Truth Table of XOR Gate is given next: Timing Diagram If we look at the Example in which when we use the XOR Gate we found the following diagram: ...
4. 5. 6. 7. 8. 9. 10. In this example, we XOR two integers (5 and 3) and print the result. The output is 6, which is the XOR of 5 (101) and 3 (011) in binary. XOR Truth Table Here is a truth table for XOR operation: ...
For a general logic gate with two inputs and a single output, there are 16 possible outcomes (2^4), two of which are covered by the AND and OR gates. The single-input NOT gate adds a 17th outcome. Figure 1 reviews the truth tables that correspond to the AND, OR, and NOT gates....
Table 2.The truth table for an XNOR circuit. Since the output is logic 1 for equal inputs, this function is also called the equivalence function. Figure 4shows a logic block diagram for the XNOR function Figure 4.A logic block diagram for the XNOR Gate. ...
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