docs: public static void elementDiv( DMatrix6x6 a , DMatrix6x6 b , DMatrix6x6 c ) {
          c.a11 = a.a11/b.a11; c.a12 = a.a12/b.a12; c.a13 = a.a13/b.a13; c.a14 = a.a14/b.a14; c.a15 = a.a15/b.a15; c.a16 = a.a16/b.a16;
          c.a21 = a.a21/b.a21; c.a22 = a.a22/b.a22; c.a23 = a.a23/b.a23; c.a24 = a.a24/b.a24; c.a25 = a.a25/b.a25; c.a26 = a.a26/b.a26;
          c.a31 = a.a31/b.a31; c.a32 = a.a32/b.a32; c.a33 = a.a33/b.a33; c.a34 = a.a34/b.a34; c.a35 = a.a35/b.a35; c.a36 = a.a36/b.a36;
          c.a41 = a.a41/b.a41; c.a42 = a.a42/b.a42; c.a43 = a.a43/b.a43; c.a44 = a.a44/b.a44; c.a45 = a.a45/b.a45; c.a46 = a.a46/b.a46;
          c.a51 = a.a51/b.a51; c.a52 = a.a52/b.a52; c.a53 = a.a53/b.a53; c.a54 = a.a54/b.a54; c.a55 = a.a55/b.a55; c.a56 = a.a56/b.a56;
          c.a61 = a.a61/b.a61; c.a62 = a.a62/b.a62; c.a63 = a.a63/b.a63; c.a64 = a.a64/b.a64; c.a65 = a.a65/b.a65; c.a66 = a.a66/b.a66;
      }