# conj

Complex conjugate of `fi` object

## Syntax

```conj(a) ```

## Description

`conj(a)` is the complex conjugate of `fi` object `a`.

When `a` is complex,

`$\mathrm{conj}\left(a\right)=\mathrm{real}\left(a\right)-i×\mathrm{imag}\left(a\right)$`

The `numerictype` and `fimath` properties associated with the input `a` are applied to the output.

## Version History

Introduced before R2006a