Advanced Analysis Library Only
double Tricomi (double x, double a, double b);
Computes the Tricomi function, which is also known as the associated confluent hypergeometric U function. The Tricomi function U (x, a, b) is a solution of the following differential equation:
| Input | ||
| Name | Type | Description |
| x | double-precision | The point at which the function is evaluated. |
| a | double-precision | One of the parameters of the Tricomi function. Refer to the definition formula of the Tricomi function for more information about a and b. |
| b | double-precision | One of the parameters of the Tricomi function. Refer to the definition formula of the Tricomi function for more information about a and b. |
| Name | Type | Description |
| result | double-precision | The value of the Tricomi function evaluated at x. |