Creating a table with matrices and arrays as elements

Hi, Hope you're safe and fine.

My question is how to create a table whose elements are not necessarily of the same rows. For instance, I have attached a built-in table from "Monocular Visual Odometry" example of MATLAB. In this table, the first element is a number, the second one is a 1x3 vector of location, and the thrid one is a 3x3 matrix of rotation.

Any ideas are appreciated!

Answer 1

[Stephen23]

Lets have a look at the data:

S = load('visualOdometryGroundTruth.mat')

S = struct with fields:
    groundTruthPoses: [150×3 table]

T = S.groundTruthPoses

T = 150x3 table
    ViewId      Location      Orientation 
    ______    ____________    ____________

       1      {1×3 double}    {3×3 double}
       2      {1×3 double}    {3×3 double}
       3      {1×3 double}    {3×3 double}
       4      {1×3 double}    {3×3 double}
       5      {1×3 double}    {3×3 double}
       6      {1×3 double}    {3×3 double}
       7      {1×3 double}    {3×3 double}
       8      {1×3 double}    {3×3 double}
       9      {1×3 double}    {3×3 double}
      10      {1×3 double}    {3×3 double}
      11      {1×3 double}    {3×3 double}
      12      {1×3 double}    {3×3 double}
      13      {1×3 double}    {3×3 double}
      14      {1×3 double}    {3×3 double}
      15      {1×3 double}    {3×3 double}
      16      {1×3 double}    {3×3 double}

The curly braces in the 2nd and 3rd columns tell us those numeric arrays are in a cell array. So lets do that:

VId = [2;4;8];
Loc = {[2,22,222];[4,44,444];[8,88,888]}; % cell array
Ori = { 2*rand(3); 4*rand(3); 8*rand(3)}; % cell array
out = table(VId,Loc,Ori)

out = 3x3 table
    VId        Loc             Ori     
    ___    ____________    ____________

     2     {1×3 double}    {3×3 double}
     4     {1×3 double}    {3×3 double}
     8     {1×3 double}    {3×3 double}

[Mohammad Hussein Yoosefian Nooshabadi]

Thank you!