š£ ā ā2 T ;

May I know what those alphabets are stand for ? I couldnāt find in the previous videos before attempting this lab

Those are just standard mathematical notations.

\in means āis an element ofā a set.

\mathbb{R} is the set of all real numbers between -\infty and \infty.

\mathbb{R}^2 is the 2 dimensional vector space composed of vectors with two real numbers as the elements of the vector.

T is the linear algebra operation ātransposeā. That means to interchange the dimensions of a matrix of vector.

So this statement:

v \in \mathbb{R}^2

means v is a vector in the vector space \mathbb{R}^2, meaning a vector with two real numbers as the components.

By saying [1\ 3]^T, what I assume they mean is that they want to consider v as a column vector, not a row vector.

I have not taken this course yet, but if itās a course on Linear Algebra, I assume they will say more about what ātransposeā is pretty soon. If you still havenāt seen that after a while, let us know and I can give some examples.

actually the concepts are not tough but the notation used in lab (vector operations) that has not covered on the videos when they were taught