# Vector
## `vec`
A column vector.
Content in the vector's elements can be aligned with the
[`align`]($math.vec.align) parameter, or the `&` symbol.
# Example
```example
$ vec(a, b, c) dot vec(1, 2, 3)
= a + 2b + 3c $
```
## Parameters
### delim
The delimiter to use.
Can be a single character specifying the left delimiter, in which case
the right delimiter is inferred. Otherwise, can be an array containing a
left and a right delimiter.
### align
The horizontal alignment that each element should have.
### gap
The gap between elements.
### children *(required)*
The elements of the vector.
## Returns
- content