Method rm_column

src/matrix.rs:749–766

(&self, pos: usize)

    }

    pub fn rm_column(&self, pos: usize) -> Option<Matrix<T>> {

        if pos >= self.cols() {
            return None;
        }

        let mut m = Matrix::<T>::new();
        if self.cols() == 1 {
            return Some(m);
        }

        for r in self.row_iter() {
            let mut q = r.to_vec();
            q.remove(pos);
            m.add_row(&q);
        }
        Some(m)
    }

    pub fn if_then<F>(&self, prd: F, tr: T, fa: T) -> Matrix<T> 
        where F: Fn(&T) -> bool {