code: public static void divide( DMatrix5x5 a , double alpha ) {
          a.a11 /= alpha; a.a12 /= alpha; a.a13 /= alpha; a.a14 /= alpha; a.a15 /= alpha;
          a.a21 /= alpha; a.a22 /= alpha; a.a23 /= alpha; a.a24 /= alpha; a.a25 /= alpha;
          a.a31 /= alpha; a.a32 /= alpha; a.a33 /= alpha; a.a34 /= alpha; a.a35 /= alpha;
          a.a41 /= alpha; a.a42 /= alpha; a.a43 /= alpha; a.a44 /= alpha; a.a45 /= alpha;
          a.a51 /= alpha; a.a52 /= alpha; a.a53 /= alpha; a.a54 /= alpha; a.a55 /= alpha;
      }
docs: <p>
  Performs an in-place element by element scalar division. Scalar denominator.<br>
  <br>
  a<sub>ij</sub> = a<sub>ij</sub>/&alpha;
  </p>
  
  @param a The matrix whose elements are to be divided.  Modified.
  @param alpha the amount each element is divided by.