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What does the MATLAB function svd(A) return when applied to a matrix A?

easy📝 Conceptual Q11 of 15
MATLAB - Linear Algebra
What does the MATLAB function svd(A) return when applied to a matrix A?
AThe determinant of matrix A.
BThe inverse of matrix A.
CThree matrices: U, S, and V such that A = U * S * V'.
DThe transpose of matrix A.
Step-by-Step Solution
Solution:
  1. Step 1: Understand the purpose of svd

    The svd function decomposes a matrix into three parts: U, S, and V.
  2. Step 2: Recall the decomposition formula

    It satisfies the equation A = U * S * V', where U and V are orthogonal matrices and S is diagonal.
  3. Final Answer:

    Three matrices: U, S, and V such that A = U * S * V'. -> Option C
  4. Quick Check:

    svd(A) = U, S, V [OK]
Quick Trick: Remember svd splits matrix into U, S, V parts [OK]
Common Mistakes:
  • Confusing svd with inverse or transpose
  • Expecting a single matrix output
  • Thinking svd returns determinant

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