# Matrix2d

`import { Matrix2d } from "destack:math";`

Two-by-two double-precision matrix.

```ds title="Matrix2d"
export type Matrix2d = Matrix2<float64>
```

[language/library/src/math/matrix.ds:59](https://github.com/destack-sh/destack/blob/main/language/library/src/math/matrix.ds#L59)