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Which of the following is the correct way to create a COO sparse matrix using scipy?

easy📝 Syntax Q12 of 15
SciPy - Sparse Matrices (scipy.sparse)
Which of the following is the correct way to create a COO sparse matrix using scipy?
Ascipy.sparse.coo_matrix((data, (row, col)))
Bscipy.sparse.csr_matrix(data, row, col)
Cscipy.sparse.csc_matrix(data, row, col)
Dscipy.sparse.dense_matrix((data, (row, col)))
Step-by-Step Solution
Solution:
  1. Step 1: Recall COO matrix creation syntax

    COO format uses tuple (data, (row, col)) inside coo_matrix constructor.
  2. Step 2: Check options

    Only scipy.sparse.coo_matrix((data, (row, col))) matches the correct syntax for COO matrix creation.
  3. Final Answer:

    scipy.sparse.coo_matrix((data, (row, col))) -> Option A
  4. Quick Check:

    COO matrix = coo_matrix((data, (row, col))) [OK]
Quick Trick: COO matrix needs (data, (row, col)) tuple [OK]
Common Mistakes:
MISTAKES
  • Using csr_matrix or csc_matrix syntax for COO
  • Passing row and col as separate arguments
  • Using non-existent dense_matrix function

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