ERF

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erf, erfc - ¿¡·¯ ÇÔ¼ö¿Í º¸¼ö ¿¡·¯ ÇÔ¼öµé  

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#include <math.h>

double erf(double x);

double erfc (double x);
 

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erf() ÇÔ¼ö´Â xÀÇ ¿¡·¯ ÇÔ¼ö¸¦ ¹ÝȯÇÑ´Ù.; ´ÙÀ½ ó·³ Á¤ÀǵǾî ÀÖ´Ù.
erf(x) = 2/sqrt(pi)* integral from 0 to x of exp(-t*t) dt

erfc() ÇÔ¼ö´Â xÀÇ º¸¼ö ¿¡·¯ ÇÔ¼ö¸¦ ¹ÝȯÇÑ´Ù. Áï 1.0 - erf(x) ÀÌ´Ù.  

ȣȯ

SVID 3, BSD 4.3  

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exp(3)  

¿ªÀÚ

Á¤°­ÈÆ <skyeyes@soback.kornet.net>, 2001³â 5¿ù 24ÀÏ


 

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