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8. Sum of the products of a constant and a variable: Ecx, = cx, +cx2 +...+cx, i=1 = c(x1 +x2 +...+x,) X; i=1 Example If x, = 6, x, = 7, x3 = 10, x4 = 1, and c = 4, evaluate %3D cx i=1

8. Sum of the products of a constant and a variable: Ecx, = cx, +cx2 +...+cx, i=1 = c(x1 +x2 +...+x,) X; i=1 Example If x, = 6, x, = 7, x3 = 10, x4 = 1, and c = 4, evaluate %3D cx i=1

Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter2: Systems Of Linear Equations
Section2.4: Applications
Problem 2EQ: 2. Suppose that in Example 2.27, 400 units of food A, 500 units of B, and 600 units of C are placed...
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8. Sum of the products of a constant and a variable: cx; = cx1 +cx2 +...+ c , i=1 = c(x1 +x2 +...+x,) =cx, i=1 Example If x, = 6, x, = 7, x3 = 10, x4 = 1, and C = 4, evaluate %3D Ecx,
Transcribed Image Text:8. Sum of the products of a constant and a variable: cx; = cx1 +cx2 +...+ c , i=1 = c(x1 +x2 +...+x,) =cx, i=1 Example If x, = 6, x, = 7, x3 = 10, x4 = 1, and C = 4, evaluate %3D Ecx,
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