jinsuk Lee wrote:
I just want to get 1 x 25 in case of v and get 1 x 35 in case of "theta" each.
What do you mean by "in case of.."? You have v AND theta in your expression!
You have defined a variable Q.T and type an equal sign at the end. So what did you expect to see after that equal sign in that specific case, at that very moment?