Enum FunctionKind 

pub enum FunctionKind {
    Quadratic {
        q: Vec<Vec<f64>>,
        b: Vec<f64>,
        c: f64,
    },
    Linear {
        a: Vec<f64>,
        b: f64,
    },
    Norm {
        p: f64,
    },
    Indicator,
    MaxAffine {
        pieces: Vec<(Vec<f64>, f64)>,
    },
}

The kind / parametrisation of a convex function f : R^n -> R.

Variants

Quadratic

Quadratic: f(x) = (1/2) x^T Q x + b^T x + c.

Fields

q: Vec<Vec<f64>>

b: Vec<f64>

c: f64

Linear

Linear: f(x) = a^T x + b.

Fields

a: Vec<f64>

b: f64

Norm

p-norm: f(x) = ||x||_p.

Fields

p: f64

Indicator

Indicator of the domain convex set (0 inside, +inf outside).

MaxAffine

Max-affine function: f(x) = max_i (a_i^T x + b_i).

Fields

pieces: Vec<(Vec<f64>, f64)>

Trait Implementations

impl Clone for FunctionKind

fn clone(&self) -> FunctionKind

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for FunctionKind

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

Formats the value using the given formatter.