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);
}