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Apr 27, 2019 at 7:37 vote accept Brian Wiley
Apr 26, 2019 at 15:13 comment added whuber As was remarked at the end, Brian, transposing a scalar does nothing to it and $x^\prime\Sigma^{-1}\mu_k$ is a scalar.
Apr 26, 2019 at 1:55 comment added Brian Wiley How is the first equality true? Seems like you just wrapped left side in a transpose? I get the rest.
Apr 25, 2019 at 17:38 history answered tddevlin CC BY-SA 4.0