Method cols

src/matrix.rs:392–392

Returns the number of columns of the matrix. ``` # #[macro_use] extern crate rustml; use rustml::*; # fn main() { let m = mat![ 1.0, 1.5, 1.8; 2.0, 2.5, 2.8 ]; assert_eq!(m.cols(), 3); # } ```

(&self)

    /// # }
    /// ```
    pub fn cols    (&self) -> usize { self.ncols }

    /// Returns an iterator over all elements of the matrix in row-major order.
    ///