need help with MATLAB Error

\% 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]; \% Time t=1:24; \% Query the polynomial fit X= linspace (1,24,100); \% Time Vector N=10;% Polynomial Degree % \% *Polynomial regression order* % \% Initialize phi matrix phi =zeros(24,N) \% _*Create a design matrix for the polynomial regression*_ % \% Build Matrix A for k=1:N phi (:,k)=( temp. ' )(k1); end| for k=1:N ls=pinv (X) temp; fna=phi*ls; \% Least-squares fit En=norm (Xfna)orm(f);% Error subplot (4,2,4+k), bar(1s, 'FaceColor', [.6.6.6], 'EdgeColor ', 'k'); end subplot (2,1,1),plot(x,f,k), hold on Error using * Incorrect dimensions for matrix multiplication. Check that the number of columns in the first matrix matches the number of rows in the second matrix. To operate on each element of the matrix individually, use TIMES (.*) for elementwise multiplication. Related documentation