code: public static void multAddTransAB(DMatrix1Row a , DMatrix1Row b , DMatrix1Row c )
      {
          if( b.numRows == 1 ) {
              // there are significantly faster algorithms when dealing with vectors
              if( a.numCols >= EjmlParameters.MULT_COLUMN_SWITCH ) {
                  MatrixVectorMult_DDRM.multAddTransA_reorder(a,b,c);
              } else {
                  MatrixVectorMult_DDRM.multAddTransA_small(a,b,c);
              }
          } else if( a.numCols >= EjmlParameters.MULT_TRANAB_COLUMN_SWITCH ) {
              MatrixMatrixMult_DDRM.multAddTransAB_aux(a,b,c,null);
          } else {
              MatrixMatrixMult_DDRM.multAddTransAB(a,b,c);
          }
      }
docs: <p>
  Performs the following operation:<br>
  <br>
  c = c + a<sup>T</sup> * b<sup>T</sup><br>
  c<sub>ij</sub> = c<sub>ij</sub> + &sum;<sub>k=1:n</sub> { a<sub>ki</sub> * b<sub>jk</sub>}
  </p>
  
  @param a The left matrix in the multiplication operation. Not Modified.
  @param b The right matrix in the multiplication operation. Not Modified.
  @param c Where the results of the operation are stored. Modified.