when i use regress(x,y),I obtain only one answer :shouldn't i get two answers which are the slope and y-intercept ? my code is x=[1 4 5 6];y=[4 6 7 9]

when i use regress(x,y),I obtain only one answer :shouldn't i get two answers which are the slope and y-intercept ? my code is x=[1 4 5 6];y=[4 6 7 9]

[the cyclist]

Duplicate question here: http://www.mathworks.com/matlabcentral/answers/77739-regress-x-y-for-least-square-regression-of-two-variables-x-y. Let's keep the discussion there.