Struct Tabulated 

pub struct Tabulated<S: Scalar> {
    pub times: Vec<S>,
    pub values: Vec<S>,
    pub interp: Interpolation,
    /* private fields */
}

Signal from tabulated time-value data.

Interpolates between given data points using linear, nearest-neighbor, or cubic spline interpolation.

Example

use numra_core::signal::{Signal, Tabulated, Interpolation};

let times: Vec<f64> = vec![0.0, 1.0, 2.0, 3.0];
let values: Vec<f64> = vec![0.0, 1.0, 0.0, 2.0];
let signal = Tabulated::new(times, values, Interpolation::Linear);

assert!((signal.value_at(0.5) - 0.5).abs() < 1e-10);  // Midpoint interpolation
assert!((signal.value_at(1.0) - 1.0).abs() < 1e-10);  // Exact point

Cubic Spline Interpolation

When using Interpolation::Cubic, natural cubic splines provide smooth C² continuous interpolation between data points.

Fields

times: Vec<S>

values: Vec<S>

interp: Interpolation

Implementations

impl<S: Scalar> Tabulated<S>

pub fn new(times: Vec<S>, values: Vec<S>, interp: Interpolation) -> Self

Create a new tabulated signal.

Panics

Panics if times and values have different lengths, or if times is empty.

pub fn from_pairs(pairs: &[(S, S)], interp: Interpolation) -> Self

Create from slice pairs.

pub fn value_at(&self, t: S) -> S

Get the value at time t (convenience method).

Trait Implementations

impl<S: Clone + Scalar> Clone for Tabulated<S>

fn clone(&self) -> Tabulated<S>

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<S: Debug + Scalar> Debug for Tabulated<S>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<S: Scalar> Signal<S> for Tabulated<S>

fn eval(&self, t: S) -> S

Evaluate the signal at time t.

fn eval_derivative(&self, t: S) -> S

Compute the derivative of the signal at time t.