Function matrix_to_vec

crates/openquant/src/structural_breaks.rs:333–343

(matrix: DMatrix<f64>)

}

fn matrix_to_vec(matrix: DMatrix<f64>) -> Vec<Vec<f64>> {
    let mut rows = Vec::with_capacity(matrix.nrows());
    for i in 0..matrix.nrows() {
        let mut row = Vec::with_capacity(matrix.ncols());
        for j in 0..matrix.ncols() {
            row.push(matrix[(i, j)]);
        }
        rows.push(row);
    }
    rows
}
use nalgebra::DMatrix;