shminux comments on How accurate is the quantum physics sequence? - Less Wrong

45 Post author: ciphergoth 17 April 2012 06:54AM

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Comment author: shminux 19 April 2012 08:02:44PM 5 points [-]

Note that complex numbers can be replaced with 2x2 real matrices, such as i=(0,-1;1,0), since multiplication by i is basically rotation by 90 degrees in the complex plane. Given that the Dirac equation is already full of matrices, does it make you feel better about it?