method

inverse

v1_8_7_330 - Show latest stable - 0 notes - Class: Matrix

inverse() public

Returns the inverse of the matrix.

Matrix[[1, 2], [2, 1]].inverse
  => -1  1
      0 -1

Show source

# File lib/matrix.rb, line 579
  def inverse
    Matrix.Raise ErrDimensionMismatch unless square?
    Matrix.I(row_size).inverse_from(self)
  end