(1) Consider a collection of n individuals, each of whom owns a definite quantity of m commodities. Let aij be the number of commodity i owned by individual j. i = 1, 2, ...,m; j = 1, 2,..., n. What does the vector (a₁j, aj, ..., amj) represent? Explain in words the significance of the sum: (2) Evaluate A+ B, A- B, 5A- 3B where A = (3) Evaluate A. B where ail + ai2 + ... + ain. A = 0 1 -1 23 7 0 1 2 2 3 1 4 -1 6 and B = and B = 1 -1 5 3 2 1 0 -1 0
(1) Consider a collection of n individuals, each of whom owns a definite quantity of m commodities. Let aij be the number of commodity i owned by individual j. i = 1, 2, ...,m; j = 1, 2,..., n. What does the vector (a₁j, aj, ..., amj) represent? Explain in words the significance of the sum: (2) Evaluate A+ B, A- B, 5A- 3B where A = (3) Evaluate A. B where ail + ai2 + ... + ain. A = 0 1 -1 23 7 0 1 2 2 3 1 4 -1 6 and B = and B = 1 -1 5 3 2 1 0 -1 0
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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