|
Parallel Colt 0.9.4 | |||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectcern.jet.math.tdouble.DoubleConstants
cern.jet.stat.tdouble.Gamma
public class Gamma
Gamma and Beta functions.
Implementation:
Method Summary | |
---|---|
static double |
beta(double a,
double b)
Returns the beta function of the arguments. |
static double |
gamma(double x)
Returns the Gamma function of the argument. |
static double |
incompleteBeta(double aa,
double bb,
double xx)
Returns the Incomplete Beta Function evaluated from zero to xx; formerly named ibeta. |
static double |
incompleteGamma(double a,
double x)
Returns the Incomplete Gamma function; formerly named igamma. |
static double |
incompleteGammaComplement(double a,
double x)
Returns the Complemented Incomplete Gamma function; formerly named igamc. |
static double |
logGamma(double x)
Returns the natural logarithm of the gamma function; formerly named lgamma. |
Methods inherited from class java.lang.Object |
---|
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
---|
public static double beta(double a, double b) throws ArithmeticException
- - | (a) | (b) beta( a, b ) = -----------. - | (a+b)
ArithmeticException
public static double gamma(double x) throws ArithmeticException
ArithmeticException
public static double incompleteBeta(double aa, double bb, double xx) throws ArithmeticException
aa
- the alpha parameter of the beta distribution.bb
- the beta parameter of the beta distribution.xx
- the integration end point.
ArithmeticException
public static double incompleteGamma(double a, double x) throws ArithmeticException
a
- the parameter of the gamma distribution.x
- the integration end point.
ArithmeticException
public static double incompleteGammaComplement(double a, double x) throws ArithmeticException
a
- the parameter of the gamma distribution.x
- the integration start point.
ArithmeticException
public static double logGamma(double x) throws ArithmeticException
ArithmeticException
|
Parallel Colt 0.9.4 | |||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |