% Plot 1d graph of f(x) = (x-1)^2 on -3 < x < 3

x = linspace(-3, 3, 100); % create vector x of gridpoints
f = (x-1).^2;             % evaluate f(x) on gridpoints
plot(x,f)                 % plot  the graph

xlabel('x')
ylabel('f(x) = (x-1)^2')