NumPy perguntas e respostas de entrevista
Pergunta 26. How to perform element-wise addition of two NumPy arrays?
import numpy as npnarr1 = np.array([1, 2, 3])narr2 = np.array([4, 5, 6])nresult = arr1 + arr2
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Pergunta 27. Explain the purpose of 'np.concatenate()' in NumPy.
'np.concatenate()' joins a sequence of arrays along an existing axis.
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Pergunta 28. How to perform matrix multiplication in NumPy?
You can use 'np.matmul()' or the '@' operator. For example, 'result = np.matmul(arr1, arr2)' or 'result = arr1 @ arr2'.
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Pergunta 29. What is the purpose of 'np.percentile()' in NumPy?
'np.percentile()' calculates the nth percentile of a dataset.
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Pergunta 30. Explain the use of 'np.unique()' in NumPy.
'np.unique()' returns the unique elements of an array.
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Mais uteis segundo os usuarios:
- How to install NumPy?
- Create a NumPy array from a Python list.
- What is NumPy?
- What is the difference between 'np.zeros()' and 'np.ones()' in NumPy?
- What is the purpose of 'np.eye()' in NumPy?