Symbols:Complex Analysis/Modulus

Complex Modulus

 * $\cmod z$

The modulus of the variable $z$, when $z \in \C$.

Let $z = a + i b$ be a complex number.

Then the (complex) modulus of $z$ is written $\cmod z$ and is defined as:


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

See Set Operations and Relations, Arithmetic and Algebra and Abstract Algebra for alternative definitions of this symbol.