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How do you perform matrix multiplication on the numpy arrays A and B ?1 pointnp.dot(A,B)A*BA+B

Question

How do you perform matrix multiplication on the numpy arrays A and B ?

1 point

  • np.dot(A,B)
  • A*B
  • A+B
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Solution

To perform matrix multiplication on numpy arrays A and B, you can use the np.dot(A, B) function. Here are the steps:

  1. Import the numpy library: import numpy as np
  2. Define your numpy arrays. For example:
    A = np.array([[1, 2], [3, 4]])
    B = np.array([[5, 6], [7, 8]])
    
  3. Use the np.dot() function to multiply the matrices: result = np.dot(A, B)

Please note that A * B performs element-wise multiplication, not matrix multiplication. A + B performs element-wise addition.

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