Method col_reduce

src/complex/matrix.rs:1761–1770

(&self, f: F)

    }

    fn col_reduce<F>(&self, f: F) -> Vec<C64>
    where
        F: Fn(Vec<C64>) -> C64,
    {
        let mut v = vec![Complex::zero(); self.col];
        for (i, slot) in v.iter_mut().enumerate().take(self.col) {
            *slot = f(self.col(i));
        }
        v
    }

    fn row_reduce<F>(&self, f: F) -> Vec<C64>
    where