real

real()

Instance Public methods

Returns the real part of the matrix.

Matrix[[Complex(1,2), Complex(0,1), 0], [1, 2, 3]]
  => 1+2i  i  0
        1  2  3
Matrix[[Complex(1,2), Complex(0,1), 0], [1, 2, 3]].real
  =>    1  0  0
        1  2  3

Links:

https://github.com/ruby/ruby/blob/9a912c66d4f720e90c3522d40ac29c04dbd86a9b/lib/matrix.rb#L1251

doc_ruby_on_rails

2015-04-18 09:24:12

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real num.real â self Instance Public methods Returns self.

real? cmp.real? â false Instance Public methods Returns false.

real cmp.real â real Instance Public methods Returns the real part. Complex(7).real #=> 7 Complex(9, -4).real #=> 9

real? real?() Instance Public methods Returns true if all entries of the matrix are real.

real? num.real? â true or false Instance Public methods Returns true if num is a Real (i.e. non Complex).