# Matrix4d

`import { Matrix4d } from "destack:math";`

Four-by-four double-precision matrix.

```ds title="Matrix4d"
export type Matrix4d = Matrix4<float64>
```

[language/library/src/math/matrix.ds:65](https://github.com/destack-sh/destack/blob/main/language/library/src/math/matrix.ds#L65)