Code shared from the Rust Playground

playground.rs

    pub fn component_min<R2, C2, SB>(&self, rhs: &Matrix<N, R2, C2, SB>) -> Matrix<N, R, C, S>
    where
        N: Signed,
        R2: Dim, C2: Dim,
        DefaultAllocator: Allocator<N, R, C>,
    {
        let mut res = self.clone_owned();

        for j in 0 .. res.ncols() {
            for i in 0 .. res.nrows() {
                unsafe {
                    res.get_unchecked_mut((i, j)).min(*rhs.get_unchecked((i, j)));
                }
            }
        }

        res
    }