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| Red Hat Documentation: man pages: man3: Linux Programmer's Manual (3) |
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J0Section: Linux Programmer's Manual (3)Updated: June 26, 2025 Index NAMEj0, j1, jn, y0, y1, yn - Bessel functionsSYNOPSIS#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); DESCRIPTIONThe 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 TOSVID 3, BSD 4.3BUGSThere are errors of up to 2e-16 in the values returned by j0(), j1() and jn() for values of x between -8 and 8.
IndexThis document was created by using the manual pages. Time: 11:58:07 GMT, March 24, 2025 |
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