Linear Algebra and Its Applications · Problem 1.2.15

Matrices and Gaussian Elimination — Gilbert Strang

Mathematics · geometry-of-linear-equations

Problem

For four linear equations in two unknowns

x

and

y

, the row picture shows four \_\_\_\_\_\_. The column picture is in \_\_\_\_\_\_ -dimensional space. The equations have no solution unless the vector on the right-hand side is a combination of \_\_\_\_\_\_.

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