1. Learn
    2. /
  2. Courses
    3. /
  3. Building Recommendation Engines with PySpark

Exercise

Matrix multiplication part II

Let's put your matrix multiplication skills to the test.

Instructions

100 XP
  • Use the .shape attribute to understand the dimensions of matrices C and D, and determine whether these two matrices can be multiplied together or not.
  • If they can be multiplied, use the np.matmul() method to multiply them. If not, set C_times_D to None.