method

inverse

v1_9_1_378 - Show latest stable - Class: Matrix

inverse()

public

Returns the inverse of the matrix.

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

# File lib/matrix.rb, line 572
  def inverse
    Matrix.Raise ErrDimensionMismatch unless square?
    Matrix.I(row_size).inverse_from(self)
  end