Function reference · Special functions
Si
Computes the sine integral.
Si evaluates supported numeric arguments and otherwise remains symbolic. It is an odd function, and its limits at positive and negative infinity are plus or minus pi/2.
Examples
These examples use Nerdamer Notation.
Evaluate the origin exactly.
Si(0) // → 0
Keep a symbolic sine integral.
Si(x)Interfaces
The same operation is available through the interfaces below.
Nerdamer Notation
Use this form inside input passed to nerdamer(...).
Si(arg1)nerdamer.Si
Call the operation through the default nerdamer import.
nerdamer.Si(x: Expression): ExpressionParameters
| Name | Type | Description |
|---|---|---|
x | Expression | The input expression. |
Returns
Expression — The sine integral value.