3-2-1
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18
260421_2509165028.py
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18
260421_2509165028.py
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import numpy as np
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# 第一部分题目1
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s="Hello"
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print("ASCII码分别为:",[ord(o) for o in s])
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print(f"ASCII码65对应的字符是:{chr(65)}")
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# 第二部分题目3
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A=np.array([3,4])
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B=np.array([1,2])
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print(f"计算A+B的结果为:{A+B}")
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print(f"计算A*2的结果为:{A*2}")
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length=np.linalg.norm(A)
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print(f"向量A的长度为:{length}")
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# 第二部分题目4
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A=np.array([1,2,3])
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B=np.array([4,5,6])
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dot=np.dot(A,B)
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print(f"A·B点积为:{dot}")
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print(f"相似度 = {cosine_similarity(A, B):.3f}")
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