I'm getting the following error in MATLAB please help

% Temperature Data temp =[75,77,76,73,69,68,63,59,57,55,54, 52,50,50,49,49,49,50,54,56,59,63,67,72]; hour =(1:24); \% Query the polynomial fit x= linspace (1,24,100);% Time Vector N=10;% Polynomial Degree for k=1:N phi (:,k)=(x.)(k1);% Build Matrix A end Unable to perform assignment because the size of the left side is 24-by-1 and the size of the right side is 100-by-1