SciPy - Sparse Matrices (scipy.sparse)
Which of the following is the correct way to create a CSR sparse matrix from a dense NumPy array
arr?Which of the following is the correct way to create a CSR sparse matrix from a dense NumPy array arr?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Recall CSR matrix creation syntax
The correct function to create a CSR sparse matrix iscsr_matrix()fromscipy.sparse.Step 2: Check options
Only csr = scipy.sparse.csr_matrix(arr) uses the correct function name and syntax. Others are invalid or do not exist.Final Answer:
csr = scipy.sparse.csr_matrix(arr) -> Option BQuick Check:
Use csr_matrix() to create CSR sparse matrix [OK]
Quick Trick: Use csr_matrix() to create CSR sparse matrix from array [OK]
Common Mistakes:
MISTAKES- Using non-existent functions like dense_matrix or csr
- Confusing array() with csr_matrix()
- Missing scipy.sparse prefix
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