Enter a 2x2 matrix as a list {} with each row as a sublist {} separated by a comma , (e.g. {{1,2},{2,1}}) :

Enter a 2x1 vector x as a list {x,y} separated by a comma , (e.g. {1,2}) :

Select Original vector x plot color:

Select transformed vector b color after being Multiplied by Matrix A:

If you are a human, leave me blank