method

inverse

v1_8_7_72 - 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 579
  def inverse
    Matrix.Raise ErrDimensionMismatch unless square?
    Matrix.I(row_size).inverse_from(self)
  end