runif_in_tetrahedron | R Documentation |

Uniform sampling in a tetrahedron (in dimension 3).

```
runif_in_tetrahedron(n, v1, v2, v3, v4)
```

`n` |
number of simulations |

`v1, v2, v3, v4` |
vertices of the tetrahedron |

The simulations in a `n`

times `3`

matrix.

`runif_in_simplex`

for sampling in a simplex in
arbitrary dimension.

```
library(rgl)
tetrahedron <- tetrahedron3d()
shade3d(tetrahedron, color = "red", alpha = 0.3)
vs <- tetrahedron$vb[1L:3L, ]
sims <- runif_in_tetrahedron(100, vs[, 1], vs[, 2], vs[, 3], vs[, 4])
points3d(sims)
```

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