You try to solve a large sparse system using spsolve(A, b) but get a memory error. What is the most likely cause?

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SciPy - Sparse Linear Algebra

You try to solve a large sparse system using spsolve(A, b) but get a memory error. What is the most likely cause?

AVector <code>b</code> has wrong length.

BMatrix <code>A</code> is not actually sparse and is stored as a dense array.

CYou forgot to import <code>spsolve</code>.

DSparse solvers cannot handle large systems.

Step-by-Step Solution

Solution:

Step 1: Check matrix storage type
If A is stored as a dense array, memory usage is very high for large systems.
Step 2: Understand sparse solver requirements
spsolve expects sparse matrix input to save memory; dense input causes memory error.
Final Answer:
Matrix A is not actually sparse and is stored as a dense array. -> Option B
Quick Check:
Dense matrix causes memory error in sparse solver [OK]

Quick Trick: Check if matrix is sparse format before solving [OK]

Common Mistakes:

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