even {clifford} | R Documentation |

## Even and odd clifford objects

### Description

A clifford object is *even* if every term has even grade, and
*odd* if every term has odd grade.

Functions `is.even()`

and `is.odd()`

test a clifford object
for evenness or oddness.

Functions `evenpart()`

and `oddpart()`

extract the even
or odd terms from a clifford object, and we write `A_+`

and
`A_-`

respectively; we have `A=A_+ + A_-`

### Usage

```
is.even(C)
is.odd(C)
evenpart(C)
oddpart(C)
```

### Arguments

### Author(s)

Robin K. S. Hankin

### See Also

`grade`

### Examples

```
A <- rcliff()
A == evenpart(A) + oddpart(A) # should be true
```

[Package

*clifford* version 1.0-8

Index]