NumPy

The core library. > The central object is the Numpy Array. One sentence summary: Linear algebra + bit of probability

• From: The Stack

• What it does (an overview)
• NumPy arrays vs Python lists
  • Shapes & dimensions
  • Matrices
• Functions
  • np.random - used frequently to generate data
  • np.linespace
  • np.zeros
• Dealing with vectors
• Speed Test
• Generating data
• Numpy Exercise

NumPy array attributes

• Number of dimensions of a NumPy array: ndim
• Shape of a NumPy array: shape
• Size of a NumPy array: size

Using built in function len()

• Size of the first dimension of a NumPy array: len()