I.4.4.6 “deriveVectorToTensor” method

“deriveVectorToTensor” method builds a new Result object by performing an operation on all the values of the Result object to which it is applied. The Result object to which the method is applied must be vectorial. The created Result object is tensorial too. Possible values of the “Method” String argument are:

• “extSquare”: builds a tensor from a vector by calculating the outer product of the vector with itself. More precisely:

  $$\left(\begin{array}{ccc}\hfill M_{11}\hfill & \hfill M_{12}\hfill & \hfill M_{13}\hfill \\ \hfill M_{21}\hfill & \hfill M_{22}\hfill & \hfill M_{23}\hfill \\ \hfill M_{31}\hfill & \hfill M_{32}\hfill & \hfill M_{33}\hfill \end{array}\right)=\left(\begin{array}{ccc}\hfill v_1{v}_1\hfill & \hfill v_1{v}_2\hfill & \hfill v_1{v}_3\hfill \\ \hfill v_2{v}_1\hfill & \hfill v_2{v}_2\hfill & \hfill v_2{v}_3\hfill \\ \hfill v_3{v}_1\hfill & \hfill v_3{v}_2\hfill & \hfill v_3{v}_3\hfill \end{array}\right).$$

This method works for Real Results as well as for Complex Results.