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
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# File 'lib/matrix.rb', line 1569 def real collect(&:real) end