Function dot

crates/openquant/src/portfolio_optimization.rs:191–193

(a: &[f64], b: &[f64])

}

fn dot(a: &[f64], b: &[f64]) -> f64 {
    a.iter().zip(b.iter()).map(|(x, y)| x * y).sum()
}

fn quad_risk(cov: &DMatrix<f64>, w: &[f64]) -> f64 {
    let wv = DVector::from_vec(w.to_vec());