Flashcard1 AI-ML

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What is NumPy used for?

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Working with arrays and numerical computations

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How do you install NumPy?

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pip install numpy

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What does the 'np.newaxis' keyword do in NumPy?

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Adds a new axis (dimension) to an array

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What will be the output of ?
np.array([1, 2, 3, 4], dtype=bool)

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[True, True, True, True]

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What will np.eye(3) return?

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A 3x3 identity matrix

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What function is used to create an array filled with a specific value in NumPy? Options: np.empty(), np.zeros(), np.full(), np.ones()

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np.full()

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Which method is used to concatenate two NumPy arrays? Options: np.append(), np.hstack(), np.concat(), np.vstack()

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np.append()

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What does the 'dtype' parameter specify when creating a NumPy array?

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The data type of the array elements

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What will np.zeros((2, 3)) return?

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A 2x3 matrix filled with zeros

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Which function is used to create a range of numbers in NumPy? Options: np.arange(), np.linspace(), np.range(), np.sequence()

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np.arange()