Structured arrays — NumPy v2.3 Manual
Getting started What is NumPy? Installation NumPy quickstart NumPy: the absolute basics for beginners Fundamentals and usage NumPy fundamentals Array creation Indexing on ndarrays I/O with NumPy Data types Broadcasting Copies and views Working with Arrays of Strings And Bytes Structured arrays Universal functions (ufunc) basics NumPy for MATLAB users NumPy tutorials NumPy how-tos Advanced usage an
numpy.ndarray.size — NumPy v2.1 Manual
numpy.ndarray.size# attribute ndarray.size# Number of elements in the array. Equal to np.prod(a.shape), i.e., the product of the array’s dimensions. Notes a.size returns a standard arbitrary precision Python integer. This may not be the case with other methods of obtaining the same value (like the suggested np.prod(a.shape), which returns an instance of np.int_), and may be relevant if the value i
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