J0 (3)
Bessel functions
SYNOPSIS
#include <math.h>
double j0(double x );
double j1(double x );
double jn(int n , double x );
double y0(double x );
double y1(double x );
double yn(int n , double x );
DESCRIPTION
The j0() and j1() functions return Bessel functions of x
of the first kind of orders 0 and 1, respectively. The jn() function
returns the Bessel function of x of the first kind of order n.
The y0() and y1() functions return Bessel functions of x
of the second kind of orders 0 and 1, respectively. The yn() function
returns the Bessel function of x of the second kind of order n.
For the functions y0(), y1() and yn(), the value of x
must be positive. For negative values of x, these functions return
-HUGE_VAL.
CONFORMING TO
BUGS
There are errors of up to 2e-16 in the values returned by j0(),
j1() and jn() for values of x between -8 and 8.
man3/j0.3
man3/j0.3
man3/joystick_getaxis.3
man3/joystick_getaxis.3
man3/joystick_getaxis.3
man3/joystick_getaxis.3
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