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J0 (3) | C library functions | Unix Manual Pages | :man

NAME

j0, j0f, j1, j1f, jn, jnf, y0, y0f, y1, y1f, yn, ynf - Bessel functions of first and second kind

CONTENTS

Library
Synopsis
Description
Return Values
See Also
History

LIBRARY


.Lb libm

SYNOPSIS


.In math.h double j0 "double x" float j0f "float x" double j1 "double x" float j1f "float x" double jn "int n" "double x" float jnf "int n" "float x" double y0 "double x" float y0f "float x" double y1 "double x" float y1f "float x" double yn "int n" "double x" float ynf "int n" "float x"

DESCRIPTION

The functions j0, j0f, j1 and j1f compute the Bessel function of the first kind of the order 0 and the order 1, respectively, for the real value x; the functions jn and jnf compute the Bessel function of the first kind of the integer order n for the real value x.

The functions y0, y0f, y1, and y1f compute the linearly independent Bessel function of the second kind of the order 0 and the order 1, respectively, for the positive real value x; the functions yn and ynf compute the Bessel function of the second kind for the integer order n for the positive real value x.

RETURN VALUES

If these functions are successful, the computed value is returned.

SEE ALSO

math(3)

HISTORY


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