11 lines
293 B
Python
11 lines
293 B
Python
A = [3, 4]
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B = [1, 2]
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A_plus_B = [A[i] + B[i] for i in range(len(A))]
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print("1. A + B =", A_plus_B)
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two_mul_A = [2 * x for x in A]
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print("2. 2 * A =", two_mul_A)
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import math
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def vector_norm(v):
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return math.sqrt(sum(x ** 2 for x in v))
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A_norm = vector_norm(A)
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print("3. A 的模 =", A_norm) |