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comment Linear transformation applied to a multivariate Gaussian random variable - what is the mean vector and covariance matrix of the new variable?
@BenB If the rank of $A$ is not full, then the transformation is not linear. And that is not the case mentioned in the question statement.
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accepted Complex power of a complex number: Find $x$ and $y$ in $x + yi = (a + bi)^{c+di}$
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revised What is the proof that covariance matrices are always semi-definite?
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accepted Can we show that $K=\tan(\frac{\theta_B}{2} + 45^\circ)$, given $\theta_B = \arctan(K) - \arctan(\frac{1}{K})$?
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asked Can we show that $K=\tan(\frac{\theta_B}{2} + 45^\circ)$, given $\theta_B = \arctan(K) - \arctan(\frac{1}{K})$?
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revised Derivation of the limit $\sin x/x$
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revised Derivation of the density function of product of two random variables
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