Calxsolver
Subject:  Linear Algebra

Matrix

A rectangular array of numbers arranged in rows and columns.

An m × n matrix has m rows and n columns. Matrices encode systems of linear equations, linear transformations, and data tables. Matrices of compatible dimensions can be added, subtracted and multiplied; square matrices may have an inverse.

Used in

Matrix Determinant Determinant of a square matrix. Matrix Multiplication Multiply two matrices A·B. Matrix Inverse Inverse of a square matrix via Gauss-Jordan. Matrix Addition & Subtraction Add or subtract two matrices entrywise.

See also

Determinant A single number computed from a square matrix that signals invertibility. Vector An ordered list of numbers representing a point or direction in space.