NumPy 면접 질문과 답변
Ques 11. Explain the differences between np.dot() and np.matmul() in NumPy.
np.dot() performs matrix multiplication for 2-D arrays, while np.matmul() is equivalent to the '@' operator and is more general.
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Ques 12. Create a diagonal matrix using NumPy.
import numpy as npnarr = np.diag([1, 2, 3])
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Ques 13. Explain the purpose of np.meshgrid() in NumPy.
np.meshgrid() is used to create coordinate matrices from coordinate vectors, commonly used for 3D plotting.
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Ques 14. How to find the dimension of a NumPy array?
You can use the attribute 'ndim'. For example, if 'arr' is your array, use 'arr.ndim'.
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Ques 15. What is the difference between 'np.zeros()' and 'np.ones()' in NumPy?
'np.zeros()' creates an array filled with zeros, while 'np.ones()' creates an array filled with ones.
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