pub fn compute_distance_matrix(xs: &[f32], ys: &[f32]) -> Vec<f32>Expand description
Computes a flattened 1D row-major euclidean distance matrix from coordinate slices.
Returns a vector of size n * n, where n = xs.len().
Element at index i * n + j is sqrt((xs[i] - xs[j])^2 + (ys[i] - ys[j])^2).