Glossary math Term Page
Matrix
A rectangular array that represents a linear transformation
Core Idea
A matrix is a rectangular array of numbers, but in linear algebra its more important role is as a representation of a linear transformation. A matrix can encode how an input vector is mapped to an output vector.
Role In This Blog
In Mathbong, matrices connect raw array-like notation with transformations, systems Ax=b, column space, rank, eigenvalues, and SVD.