MATLAB: Add specific numbers to a plot

Question

I have a code that I am calculating some values. I would like to add this values to a spesific point in my plot (I mean I would like to add upper left the folowing: 'A = 5', (to a next row 'B= 10' etc). I think I should use num2str(A) function but I do not know how.

Could you help me?

Answer 1

Read about the function text.