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A random variable or stochastic variable is a value that is subject to chance variation (i.e., randomness in a mathematical sense).

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Suppose $\mathbf{u}\in\mathbb{C}^n$ is a complex random vector with circular symmetry, uniformly distributed on the unit complex $n$-sphere, so we have $\|\mathbf{u}\|=1$. In other words, $\mathbf{u}$ …
asked Jan 25 '16 by user298935
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I came up with an answer! We know that $\mathbf{u}=\frac{\mathbf{n}}{\|\mathbf{n}\|}$ is uniformly distributed on the complex $n$-sphere, where $\mathbf{n}$ is a white complex Gaussian vector. Since …
answered Jan 25 '16 by user298935