Function stochastics_solution 

pub fn stochastics_solution(
    high: &[f64],
    low: &[f64],
    close: &[f64],
    params: StochasticParams,
) -> FinanceResult<StochasticSolution>

Teaching solution: formulas + printable %K/%D table.

Prefer ValidatedStochastic::compute on the hot path; use this for notebooks, audit trails, and classroom demos.

Examples

use finance_solution::stocks::ta::{stochastics_solution, StochasticParams};
let sol = stochastics_solution(&h, &l, &c, StochasticParams::fast(9, 3)).unwrap();
assert!(sol.formula().contains("9"));
// sol.print_table();