Compute the product using the methods below. If a product is undefined, explain why. a. The definition where Ax is the linear combination of the columns of A using the corresponding entries in x as weights. b. The row-vector rule for computing Ax. + O A. X₁a₁ +X₂ª₂ ++Xan = (x₁)a₁ + (x₂)a₂ + (x3)a3 = (Type the terms of your expression in the same order as they appear in the original expression.) OB. Xuân + Xgây + …+ Xuân = (xy)âu + (X2 )ây = ( )| (Type the terms of your expression in the same order as they appear in the original expression.) OC. The matrix-vector Ax is not defined because the number of columns in matrix. does not match the number of entries in the vector x. O D. The matrix-vector Ax is not defined because the number of rows in matrix A does not match the number of entries in the vector x. b. Set up the product Ax using the row-vector rule. Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice. O A. OB. …. (Do not simplify.) a. Set up the linear combination of the columns of A using the corresponding entries in x as weights. Select the correct choice below and, if necessary, fill in any answer boxes to complete your choice. (Do not simplify.) 6 OC. The matrix-vector Ax is not defined because the row-vector rule states that the number of columns in matrix A must match the number of entries in the vector x. O D. The matrix-vector Ax is not defined because the row-vector rule states that the number of rows in matrix A must match the number of entries in the vector x. 3 -4 4
Compute the product using the methods below. If a product is undefined, explain why. a. The definition where Ax is the linear combination of the columns of A using the corresponding entries in x as weights. b. The row-vector rule for computing Ax. + O A. X₁a₁ +X₂ª₂ ++Xan = (x₁)a₁ + (x₂)a₂ + (x3)a3 = (Type the terms of your expression in the same order as they appear in the original expression.) OB. Xuân + Xgây + …+ Xuân = (xy)âu + (X2 )ây = ( )| (Type the terms of your expression in the same order as they appear in the original expression.) OC. The matrix-vector Ax is not defined because the number of columns in matrix. does not match the number of entries in the vector x. O D. The matrix-vector Ax is not defined because the number of rows in matrix A does not match the number of entries in the vector x. b. Set up the product Ax using the row-vector rule. Select the correct choice below and, if necessary, fill in the answer boxes to complete your choice. O A. OB. …. (Do not simplify.) a. Set up the linear combination of the columns of A using the corresponding entries in x as weights. Select the correct choice below and, if necessary, fill in any answer boxes to complete your choice. (Do not simplify.) 6 OC. The matrix-vector Ax is not defined because the row-vector rule states that the number of columns in matrix A must match the number of entries in the vector x. O D. The matrix-vector Ax is not defined because the row-vector rule states that the number of rows in matrix A must match the number of entries in the vector x. 3 -4 4
Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter11: Systems Of Equations
Section11.3: Matrix Approa To Solving Linear Systems
Problem 51PS
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