数学建模与数学实验（第3版）课件+matlab

				     x=2:16;
				     y=[6.42 8.20 9.58 9.5 9.7 10 9.93 9.99 10.49 10.59 10.60 10.80 10.60 10.90 10.76];
				     beta0=[8 2]';
				     
				     [beta,r,J]=nlinfit(x',y','volum',beta0);
				     beta