```
A <- c(0.0, 0.0)
B <- matrix(c(
0,0, 1,0, 0,1, 1,1), nrow=4, ncol = 2, byrow = TRUE)
distmat(A, B) #=> 0 1 1 sqrt(2)
X <- matrix(rep(0.5, 5), nrow=1, ncol=5)
Y <- matrix(runif(50), nrow=10, ncol=5)
distmat(X, Y)
```

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