fn main() {
    let signal = &vec![0.0, 1.0, 2.0, 1.0, 0.0, -1.0, -2.0, -1.0];
    let kernel = &vec![0.3, 0.4, 0.3];
    let y: Vec<f64> = signal
        .windows(kernel.len())
        .map(|window| window.iter().zip(kernel).map(|(x, y)| x * y).sum())
        .collect();

    println!("{:?}", y);
}