SciPy - Sparse Matrices (scipy.sparse)
Which function from scipy.sparse is used to construct a COO sparse matrix given arrays for data, row indices, and column indices?
Which function from scipy.sparse is used to construct a COO sparse matrix given arrays for data, row indices, and column indices?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Recall sparse matrix constructors
scipy.sparse provides multiple constructors for different sparse formats.Step 2: Identify COO constructor
The coo_matrix() function specifically creates a COO format sparse matrix from data, row, and column arrays.Final Answer:
coo_matrix() -> Option BQuick Check:
Use coo_matrix for coordinate format [OK]
Quick Trick: Use coo_matrix() for COO format creation [OK]
Common Mistakes:
MISTAKES- Using csr_matrix() or csc_matrix() instead
- Confusing dok_matrix() with COO format
- Not passing row and col arrays correctly
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