# Dilog

From gsl v1.9-2
by Robin K S Hankin

##### Dilog functions

Dilog functions as per the Gnu Scientific Library reference manual
section 7.11. These functions are declared in header file
`gsl_sf_dilog.h`

- Keywords
- array

##### Usage

```
dilog(x, give=FALSE, strict=TRUE)
complex_dilog(r, theta, give=FALSE, strict=TRUE)
```

##### Arguments

- x
- input: real values
- r,theta
- In
`complex_dilog()`

, input values. If`theta`

takes its default value of`NULL`

, interpret`r`

as a complex-valued object. If`theta`

is non-null, interpret`r`

as the Modul - give
- Boolean, with default
`FALSE`

meaning to return just the answers, and`TRUE`

meaning to return a status vector as well - strict
- Boolean, with
`TRUE`

meaning to return`NaN`

if nonzero status is returned by the GSL function (`FALSE`

means to return the value: use with caution)

##### Details

All functions as documented in the GSL reference manual section 7.11.

##### References

##### Examples

```
x <- seq(from=0, to=0.1,by=0.01)
cbind(x,"f(x)"=dilog(1-x)) #table 27.7, p1005
```

*Documentation reproduced from package gsl, version 1.9-2, License: GPL-2*

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