Linear Algebra and Its Applications · Problem 1.2.14
Matrices and Gaussian Elimination — Gilbert Strang
Mathematics · geometry-of-linear-equations
Problem
For two linear equations in three unknowns x, y, z, the row picture will show (2 or 3) (lines or planes) in (two or three)-dimensional space. The column picture is in (two or three)-dimensional space. The solutions normally lie on a \_\_\_\_\_\_.