argmin_

version(none)

@safe pure

argmin_

(

Range

)

(

in Range r

)

if (

isInputRange!Range &&

is(typeof(fun(r.front) < fun(r.front)) == bool)

)

Return Value

Type: auto

Element in r that minimizes fun. LaTeX: \underset{x}{\arg\min}

assert(argmin!(x => x*x)([1, 2, 3]) == 1);
assert(argmin!(x => x*x)([3, 2, 1]) == 1);