Python Numpy Tutorial for Beginners 3 - Basic properties and Methods in NumPy Array
In this Python Numpy Tutorial for Beginners video we will see the Basic properties and Methods in NumPy Array. NumPy array class is ndarray, which has an alias numpy.array.
Numpy – ndarray attributes
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ndarray.shape Dimensions (Rows,Columns)
ndarray.ndim Number of Array Dimensions
ndarray.dtype Data Type
ndarray.itemsize the size of each element in the array, in bytes
ndarray.size: the number of all elements in the array.
ndarray.sum() Array-wise sum
ndarray.min() Array-wise minimum value
ndarray.max(axis=0) Maximum value of specified axis
ndarray.cumsum(axis=0) Cumulative sum of specified axis
NumPy adds a new data structure to Python – the ndarray.
Arrays can have any number of dimensions, including zero (a scalar).
Arrays are typed: np.uint8, np.int64, np.float32, np.float64
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