B3LJ

```
public class B3LJ
extends java.lang.Object
```
This is a main method to compute B3 and dB3/dT for Lennard-Jones via FFT It creates a discretization of the Lennard-Jones Mayer function, and computes B3 via FFT. The resulting values are accurate to ~13 digits (from T=0.39 up to >> 1000)

Constructors
Constructor	Description
`B3LJ()`

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static double[]`	`getd2fdT2(int N, double del_r, double reducedTemp)`	Returns a discretized df/dT function containing N points with a separation interval of del_r
`static double[]`	`getdfdT(int N, double del_r, double reducedTemp)`	Returns a discretized df/dT function containing N points with a separation interval of del_r
`static double[]`	`getfr(int N, double del_r, double reducedTemp)`	Returns a discretized f function containing N points with a separation interval of del_r
`static void`	`main(java.lang.String[] args)`
`static double[]`	`value(double temperature, int d)`

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

public static void main(java.lang.String[] args)

public static double[] value(double temperature,
                             int d)

public static double[] getfr(int N,
                             double del_r,
                             double reducedTemp)

Returns a discretized f function containing N points with a separation interval of del_r

public static double[] getdfdT(int N,
                               double del_r,
                               double reducedTemp)

Returns a discretized df/dT function containing N points with a separation interval of del_r

public static double[] getd2fdT2(int N,
                                 double del_r,
                                 double reducedTemp)

Returns a discretized df/dT function containing N points with a separation interval of del_r

Class B3LJ