sq_dist | R Documentation |

Calculates squared pairwise euclidean distances using C.

```
sq_dist(X1, X2 = NULL)
```

`X1` |
matrix of input locations |

`X2` |
matrix of second input locations (if |

C code derived from the "laGP" package (Robert B Gramacy and Furong Sun).

symmetric matrix of squared euclidean distances

Gramacy, RB and F Sun. (2016). laGP: Large-Scale Spatial Modeling via Local
Approximate Gaussian Processes in R. *Journal of Statistical
Software 72* (1), 1-46. doi:10.18637/jss.v072.i01

```
x <- seq(0, 1, length = 10)
d2 <- sq_dist(x)
```

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