haar_lib::math::fps::sqrt_sparse

Trait FpsSqrtSparse

Source 
pub trait FpsSqrtSparse {
    type Output;

    // Required method
    fn fps_sqrt_sparse(self, n: usize) -> Result<Self::Output, &'static str>;
}
Expand description

疎な形式的冪級数の平方根

Required Associated Types§

Source

type Output

戻り値の型

Required Methods§

Source

fn fps_sqrt_sparse(self, n: usize) -> Result<Self::Output, &'static str>

$f(x) = \sum_0^{n-1} a_ix^i$について、$\sqrt{f(x)}$の先頭$n$項を求める。

Implementors§