row vector with 15 elements

I need to create a row vector with 15 equally spaced elements in which the first element is 7 and the last element is 40. I already tried this row_vector=[7:2.2:40] but it gives me a matrix with 16 elements and row_vector=[7:3.5-1:40] but i keep getting 16 elements

Answer 1

[Azzi Abdelmalek]

linspace(7,40,15)