# fixed

From permutations v1.0-5
by Robin K S Hankin

##### Fixed elements

Finds which elements of a permutation object are fixed

- Keywords
- symbolmath

##### Usage

```
# S3 method for word
fixed(x)
# S3 method for cycle
fixed(x)
```

##### Arguments

- x
Object of class

`word`

or`cycle`

- …
further arguments (currently unused)

##### Value

Returns a Boolean vector corresponding to the fixed elements of a permutation.

##### Note

The function is vectorized; if given a vector of permutations,
`fixed()`

returns a Boolean vector showing which elements are fixed
by *all* of the permutations.

This function has two methods: `fixed.word()`

and
`fixed.cycle()`

, neither of which coerce.

##### See Also

##### Examples

```
# NOT RUN {
fixed(as.cycle(1:3)+as.cycle(8:9)) # elements 4,5,6,7 are fixed
fixed(id)
data(megaminx)
fixed(megaminx)
# }
```

*Documentation reproduced from package permutations, version 1.0-5, License: GPL-2*

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