ExtraMath (SOCR_JSci API Specification)

java.lang.Object
- JSci.maths.AbstractMath
- - JSci.maths.ExtraMath

```
public final class ExtraMath
extends AbstractMath
```
The extra math library. Provides extra functions not in java.lang.Math class. This class cannot be subclassed or instantiated because all methods are static.

Version:

1.1

Author:

Mark Hale

Method Summary

Methods
Modifier and Type	Method and Description
`static double`	`acosh(double x)` Returns the arc hyperbolic cosine of a double, in the range of 0.0 through .
`static double`	`asinh(double x)` Returns the arc hyperbolic sine of a double, in the range of - through .
`static double`	`atanh(double x)` Returns the arc hyperbolic tangent of a double, in the range of - through .
`static double`	`binomial(double n, double k)` Returns the binomial coefficient (n k).
`static int`	`binomial(int n, int k)` Returns the binomial coefficient (n k).
`static double`	`cosh(double x)` Returns the hyperbolic cosine of a double.
`static double`	`factorial(double x)` Returns the factorial.
`static double`	`hypot(double x, double y)` Returns sqrt(x²+y²).
`static double`	`logFactorial(double x)` Returns the natural logarithm of the factorial.
`static int`	`pow(int a, int b)` Returns a^b.
`static double`	`sinh(double x)` Returns the hyperbolic sine of a double.
`static double`	`tanh(double x)` Returns the hyperbolic tangent of a double.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - hypot
```
public static double hypot(double x,
           double y)
```
    Returns sqrt(x²+y²).
  - pow
```
public static int pow(int a,
      int b)
```
    Returns a^b.
  - factorial
```
public static double factorial(double x)
```
    Returns the factorial. (Wrapper for the gamma function).
    
    Parameters:
    x - a double.
    See Also:
    SpecialMath.gamma(double)
  - logFactorial
```
public static double logFactorial(double x)
```
    Returns the natural logarithm of the factorial. (Wrapper for the log gamma function).
    
    Parameters:
    x - a double.
    See Also:
    SpecialMath.logGamma(double)
  - binomial
```
public static int binomial(int n,
           int k)
```
    Returns the binomial coefficient (n k). Uses Pascal's recursion formula.
    
    Parameters:
    n - an integer.
    k - an integer.
  - binomial
```
public static double binomial(double n,
              double k)
```
    Returns the binomial coefficient (n k). Uses gamma functions.
    
    Parameters:
    n - a double.
    k - a double.
  - sinh
```
public static double sinh(double x)
```
    Returns the hyperbolic sine of a double.
    
    Parameters:
    x - a double.
  - cosh
```
public static double cosh(double x)
```
    Returns the hyperbolic cosine of a double.
    
    Parameters:
    x - a double.
  - tanh
```
public static double tanh(double x)
```
    Returns the hyperbolic tangent of a double.
    
    Parameters:
    x - a double.
  - asinh
```
public static double asinh(double x)
```
    Returns the arc hyperbolic sine of a double, in the range of - through .
    
    Parameters:
    x - a double.
  - acosh
```
public static double acosh(double x)
```
    Returns the arc hyperbolic cosine of a double, in the range of 0.0 through .
    
    Parameters:
    x - a double.
  - atanh
```
public static double atanh(double x)
```
    Returns the arc hyperbolic tangent of a double, in the range of - through .
    
    Parameters:
    x - a double.

Class ExtraMath

Method Summary

Methods inherited from class java.lang.Object

Method Detail

hypot

pow

factorial

logFactorial

binomial

binomial

sinh

cosh

tanh

asinh

acosh

atanh