Quiz · 4 questions
🎲 Matrices & the Eigen-Dungeons
Transformations wearing number costumes
Level 0Math Novice
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Quiz
01What's the most useful reframe of 'a matrix is a grid of numbers'?
02Why does the textbook say
X = A^{-1} B to solve AX = B, but in practice you call np.linalg.solve(A, B)?03What does an eigenvector of a matrix represent?
Hint
Think Blender: stretch along X — what was X axis before is X axis after, just longer.
04What does it mean if a square matrix has determinant zero?
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