code: public static void scale( double alpha , DMatrix6x6 a ) {
          a.a11 *= alpha; a.a12 *= alpha; a.a13 *= alpha; a.a14 *= alpha; a.a15 *= alpha; a.a16 *= alpha;
          a.a21 *= alpha; a.a22 *= alpha; a.a23 *= alpha; a.a24 *= alpha; a.a25 *= alpha; a.a26 *= alpha;
          a.a31 *= alpha; a.a32 *= alpha; a.a33 *= alpha; a.a34 *= alpha; a.a35 *= alpha; a.a36 *= alpha;
          a.a41 *= alpha; a.a42 *= alpha; a.a43 *= alpha; a.a44 *= alpha; a.a45 *= alpha; a.a46 *= alpha;
          a.a51 *= alpha; a.a52 *= alpha; a.a53 *= alpha; a.a54 *= alpha; a.a55 *= alpha; a.a56 *= alpha;
          a.a61 *= alpha; a.a62 *= alpha; a.a63 *= alpha; a.a64 *= alpha; a.a65 *= alpha; a.a66 *= alpha;
      }
docs: <p>
  Performs an in-place element by element scalar multiplication.<br>
  <br>
  a<sub>ij</sub> = &alpha;*a<sub>ij</sub>
  </p>
  
  @param a The matrix that is to be scaled.  Modified.
  @param alpha the amount each element is multiplied by.