Matlab commands, please state your answer clearly. thank you in advance!

Which of the following statements are true? Columns in MATLAB are separated either by a comma or space Both commands [1:2:20]. and linspace (1,19,10) generate all odd numbers from 1 to 20 . We get a horizontal concatenation error (horzcat) when the number of rows of matrices being concatenated is not the same. Command ones (3,3) and ones (3) are identical and generate a 33 matrix of all ones