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learneoai.com/course/python-fundamentals
Python for Data Science
Chapter 2 · NumPy Basics
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NumPy Basics · Arrays

Creating NumPy Arrays

  • NumPy arrays are faster than Python lists for numerical ops
  • Use np.array() to create from a Python list
  • np.zeros(), np.ones(), np.arange() for quick creation
  • Shape and dtype control memory layout
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NumPy arrays are the backbone of scientific computing in Python. Unlike regular Python lists, they store data in contiguous memory blocks, making operations dramatically faster...

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