6.5.1 - Pseudo Code
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Practice Questions
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What is required for two matrices A and B to be multiplicable?
💡 Hint: Think about the dimensions of both matrices.
Explain what is meant by the cost of matrix multiplication.
💡 Hint: Consider how many operations are needed to calculate the entries.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What must be true for two matrices A and B to be multiplied?
💡 Hint: Analyze the matrix dimensions carefully.
Matrix multiplication is commutative.
💡 Hint: Consider how switching two matrices changes the product.
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Challenge Problems
Push your limits with advanced challenges
Given matrices A(5x10), B(10x3), and C(3x8), calculate the total operations for both (AB)C and A(BC). Which order is more efficient?
💡 Hint: Use the dimensions to derive the number of operations required explicitly.
Imagine you have four matrices of varying dimensions. Devise an algorithm to compute the most operationally efficient multiplication order. Write the pseudo-code.
💡 Hint: Think in terms of breaking down the problem into smaller segments and compute their costs recursively.
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