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- Function: double gsl_sf_bessel_K0 (double x)
-
- Function: int gsl_sf_bessel_K0_e (double x, gsl_sf_result * result)
-
These routines compute the irregular modified cylindrical Bessel
function of zeroth order, @math{K_0(x)}, for @math{x > 0}.
- Function: double gsl_sf_bessel_K1 (double x)
-
- Function: int gsl_sf_bessel_K1_e (double x, gsl_sf_result * result)
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These routines compute the irregular modified cylindrical Bessel
function of first order, @math{K_1(x)}, for @math{x > 0}.
- Function: double gsl_sf_bessel_Kn (int n, double x)
-
- Function: int gsl_sf_bessel_Kn_e (int n, double x, gsl_sf_result * result)
-
These routines compute the irregular modified cylindrical Bessel
function of order n, @math{K_n(x)}, for @math{x > 0}.
- Function: int gsl_sf_bessel_Kn_array (int nmin, int nmax, double x, double result_array[])
-
This routine computes the values of the irregular modified cylindrical
Bessel functions @math{K_n(x)} for @math{n} from nmin to
nmax inclusive, storing the results in the array
result_array. The start of the range nmin must be positive
or zero. The domain of the function is @math{x>0}. The values are
computed using recurrence relations, for efficiency, and therefore
may differ slightly from the exact values.
- Function: double gsl_sf_bessel_K0_scaled (double x)
-
- Function: int gsl_sf_bessel_K0_scaled_e (double x, gsl_sf_result * result)
-
These routines compute the scaled irregular modified cylindrical Bessel
function of zeroth order @math{\exp(x) K_0(x)} for @math{x>0}.
- Function: double gsl_sf_bessel_K1_scaled (double x)
-
- Function: int gsl_sf_bessel_K1_scaled_e (double x, gsl_sf_result * result)
-
These routines compute the scaled irregular modified cylindrical Bessel
function of first order @math{\exp(x) K_1(x)} for @math{x>0}.
- Function: double gsl_sf_bessel_Kn_scaled (int n, double x)
-
- Function: int gsl_sf_bessel_Kn_scaled_e (int n, double x, gsl_sf_result * result)
-
These routines compute the scaled irregular modified cylindrical Bessel
function of order n, @math{\exp(x) K_n(x)}, for @math{x>0}.
- Function: int gsl_sf_bessel_Kn_scaled_array (int nmin, int nmax, double x, double result_array[])
-
This routine computes the values of the scaled irregular cylindrical
Bessel functions @math{\exp(x) K_n(x)} for @math{n} from nmin to
nmax inclusive, storing the results in the array
result_array. The start of the range nmin must be positive
or zero. The domain of the function is @math{x>0}. The values are
computed using recurrence relations, for efficiency, and therefore
may differ slightly from the exact values.
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