Документация к Math.NET Symbolics

Polynomial.leadingCoefficient

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val leadingCoefficient : symbol : Expression -> x : Expression ->  Expression
CompiledName: LeadingCoefficient

Описание

Возвращает коэффициент при старшей степени полинома.

Пример

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let print = Infix.format >> printfn "%s"

let expr = "3*x^5 - 2*x^3 - 4*x^2 + 1" |> Infix.parseOrUndefined
let x = symbol "x"

print expr

expr
|> Polynomial.leadingCoefficient x
|> print

Вывод

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1 - 4*x^2 - 2*x^3 + 3*x^5
3