math-test-functions 0.5.2

A collection of non linear functions for testing optimisation algorithms
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//! Binh Korn Constraint1 test function

use ndarray::Array1;

/// Binh-Korn constraint 1: x1^2 + x2^2 <= 25
pub fn binh_korn_constraint1(x: &Array1<f64>) -> f64 {
    x[0].powi(2) + x[1].powi(2) - 25.0
}