I'm currently learning about linear operators, and the chapter in my book describing them only has examples with predefined linear operators.
One of the first questions asks:
Given L([1,2]) = [-2,3] and L([1,-1]) = [5,2] find the value of L([7,5])
Since all the examples in my book explicitly give you linear operators, I am completely confused as to how to find a linear operator L.
Thanks