catanh

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Langue: ja

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Version: 2002-07-28 (openSuse - 09/10/07)

Section: 3 (Bibliothèques de fonctions)

Sommaire

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catanh, catanhf, catanhl - Ê£ÁÇ¿ô¤ÎµÕÁжÊÀþÀµÀÜ (arc tangents hyperbolic)

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#include <complex.h>

double complex catanh(double complex z);
float complex catanhf(float complex z);
long double complex catanhl(long double complex z);

-lm ¤Ç¥ê¥ó¥¯¤¹¤ë¡£

ÀâÌÀ

catanh() ´Ø¿ô¤ÏÊ£ÁÇ¿ô¤Î atanh() ¤ò·×»»¤¹¤ë¡£ y = catanh(z) ¤Ê¤é¤Ð¡¢ z = ctanh(y) ¤¬À®Î©¤¹¤ë¡£ y ¤ÎµõÉô¤ÎÃͤ϶è´Ö [-pi/2,pi/2] ¤«¤éÁªÂò¤µ¤ì¤ë¡£

¼¡¤Î´Ø·¸¤¬À®Î©¤¹¤ë: catanh(z) = 0.5 * clog((1 + z) / (1 - z))

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C99

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atanh(3), cabs(3), cimag(3), complex(7)