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ERF
Section: Linux Programmer's Manual (3)Updated: June 25, 1993
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erf, erfc - ¸íº¹´Ø¿ô¤ÈÁêÊä¸íº¹´Ø¿ô½ñ¼°
#include <math.h> double erf(double x); double erfc (double x);
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erf() ¤Ïx¤Î¸íº¹´Ø¿ô¤òÊÖ¤¹´Ø¿ô¤Ç¡¢- erf(x) = 2/sqrt(pi)* integral from 0 to x of exp(-t*t) dt
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erfc() ´Ø¿ô¤Ïx¤ÎÁêÊä¸íº¹´Ø¿ô¤Ç¤¢¤ê¡¢
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exp(3)