Function reference · Complex
arg
Returns the principal argument of a complex expression.
The argument is computed from the real and imaginary components using quadrant-aware atan2 behavior. Pure imaginary axis cases are handled explicitly.
Examples
These examples use Nerdamer Notation.
Return the principal angle of 1+i.
arg(1+i) // → (1/4)*pi
Interfaces
The same operation is available through the interfaces below.
Nerdamer Notation
Use this form inside input passed to nerdamer(...).
arg(arg1)nerdamer.arg
Call the operation through the default nerdamer import.
nerdamer.arg(x: ExpressionInput): ExpressionParameters
| Name | Type | Description |
|---|---|---|
x | ExpressionInput | — |