identity(n) Class Public methods Creates an n by n identity matrix. Matrix.identity(2) => 1 0 0 1 unit I

new(rows, column_count = rows[0].size) Class Public methods ::new is private; use ::rows, columns, [], etc⦠to create.

row_vector(row) Class Public methods Creates a single-row matrix where the values of that row are as given in row. Matrix.row_vector([4,5,6]) => 4 5 6

rows(rows, copy = true) Class Public methods Creates a matrix where rows is an array of arrays, each of which is a row of the matrix. If the optional argument copy is false, use the given arrays as the internal structure of the matrix without copying. Matrix.rows([[25, 93], [-1, 66]]) => 25 93 -1 66

scalar(n, value) Class Public methods Creates an n by n diagonal matrix where each diagonal element is value. Matrix.scalar(2, 5) => 5 0 0 5

unit(n) Class Public methods Alias for: identity

zero(row_count, column_count = row_count) Class Public methods Creates a zero matrix. Matrix.zero(2) => 0 0 0 0

*(m) Instance Public methods Matrix multiplication. Matrix[[2,4], [6,8]] * Matrix.identity(2) => 2 4 6 8

**(other) Instance Public methods Matrix exponentiation. Equivalent to multiplying the matrix by itself N times. Non integer exponents will be handled by diagonalizing the matrix. Matrix[[7,6], [3,9]] ** 2 => 67 96 48 99

+(m) Instance Public methods Matrix addition. Matrix.scalar(2,5) + Matrix[[1,0], [-4,7]] => 6 0 -4 12