How do you correctly save a CSR sparse matrix named matrix_csr to a file called output.npz using SciPy?

easy📝 Syntax Q3 of 15

SciPy - Integration with Scientific Ecosystem

How do you correctly save a CSR sparse matrix named matrix_csr to a file called output.npz using SciPy?

Asave_npz('output.npz', matrix_csr)

Bnp.save('output.npz', matrix_csr)

Cmatrix_csr.save('output.npz')

Dload_npz('output.npz', matrix_csr)

Step-by-Step Solution

Solution:

Step 1: Identify correct function
Use save_npz to save sparse matrices in SciPy.
Step 2: Correct syntax
The function signature is save_npz(filename, sparse_matrix).
Final Answer:
save_npz('output.npz', matrix_csr) -> Option A
Quick Check:
Check function name and argument order [OK]

Quick Trick: Use save_npz(filename, sparse_matrix) to save sparse matrices [OK]

Common Mistakes:

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