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Which of the following is the correct way to import the LU factorization function for sparse matrices from scipy?

easy📝 Syntax Q12 of 15
SciPy - Sparse Linear Algebra
Which of the following is the correct way to import the LU factorization function for sparse matrices from scipy?
Afrom scipy.linalg import splu
Bimport scipy.sparse.splu
Cfrom scipy.sparse.linalg import splu
Dimport splu from scipy.sparse
Step-by-Step Solution
Solution:
  1. Step 1: Identify the correct module

    The LU factorization for sparse matrices is in scipy.sparse.linalg, not scipy.linalg or other places.
  2. Step 2: Correct import syntax

    The proper syntax is 'from scipy.sparse.linalg import splu' to import the function directly.
  3. Final Answer:

    from scipy.sparse.linalg import splu -> Option C
  4. Quick Check:

    Correct import = from scipy.sparse.linalg import splu [OK]
Quick Trick: Use scipy.sparse.linalg for sparse LU factorization [OK]
Common Mistakes:
  • Importing splu from scipy.linalg (dense version)
  • Using incorrect import syntax causing errors
  • Trying to import splu directly from scipy.sparse

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