The sine integral function is defined by
Si(x) = | ∫ |
|
| dt |
and Si(0) = 0, Si(−∞) = −π/2 and Si(+∞) = π/2. Note that Si is an odd function.
The Si command computes the sine integral function.
Example.
Input:
Output:
0.946083070367 |
Input:
Output:
−0.946083070367 |