Freaks City

Matrices and Vectors A matrix is a rectangular array of numbers enclosed by square brackets. For example: [ 1 2 3 ] [ 4 5 6 ] [ 7 8 9 ] [10 11 12] This is a 4×3 matrix (4 rows, 3 columns). The dimension is always given as number of rows × number of columns. Vectors are a special type of matrix with only one column. An n-dimensional vector has ...