Function matching_pursuit 

pub fn matching_pursuit<T>(
    signal: &Signal<T>,
    dictionary: &dyn Dictionary<T>,
    max_iterations: usize,
    tolerance: f64,
) -> Result<MatchingPursuitResult<T>>
where
    T: Float + FromPrimitive + SignalType + AddAssign + SubAssign + MulAssign + DivAssign + Sum,