Function peroxide::numerical::spline::cubic_spline [−][src]
pub fn cubic_spline(node_x: &Vec<f64>, node_y: &Vec<f64>) -> CubicSpline
Expand description
Cubic Spline (Natural)
Description
Implement traits of Natural cubic splines, by Arne Morten Kvarving.
Type
(&Vec
Examples
#[macro_use] extern crate peroxide; use peroxide::fuga::*; fn main() { let x = c!(0.9, 1.3, 1.9, 2.1); let y = c!(1.3, 1.5, 1.85, 2.1); let s = cubic_spline(&x, &y); let new_x = c!(1, 1.5, 2.0); // Generate Cubic polynomial for t in new_x.iter() { s.polynomial(*t).print(); } // -0.2347x^3 + 0.6338x^2 - 0.0329x + 0.9873 // 0.9096x^3 - 3.8292x^2 + 5.7691x - 1.5268 // -2.2594x^3 + 14.2342x^2 - 28.5513x + 20.2094 // Evaluation for t in new_x.iter() { s.eval(*t).print(); } }