Symbols:Complex Analysis

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Symbols used in Complex Analysis

Modulus

$\cmod z$


Let $z = a + i b$ be a complex number, where $a, b \in \R$.


Then the (complex) modulus of $z$ is written $\cmod z$ and is defined as the square root of the sum of the squares of the real and imaginary parts:

$\cmod z := \sqrt {a^2 + b^2}$


The $\LaTeX$ code for \(\cmod z\) is \cmod z .