matlab7.0从入门到精通(光盘内容)

				  x= [18     0.0000000000    5.00000000e+000    47.5878647956;
				      23     0.0000000000    4.58758548e-001     3.0559374287;
				      28     0.0000000000    4.20918810e-002     0.2175395217;
				      33     0.0841837620    8.47058630e-002     0.4802086857;
				      38     0.2535954881    1.02581530e-001     0.6539080493;
				      43     0.4587585477    1.02581530e-001     0.7252064508;
				      48     0.6639216073    8.47058630e-002     0.6450704424;
				      53     0.8333333333    4.20918810e-002     0.3340042790;
				      58     0.9175170954    9.23207464e-001     8.4659292536;
				      63     0.9175170954    8.47058630e-002     0.6955059690;
				      68     1.0869288214    1.70462404e-001     1.4756299733;
				      73     1.4278536298    2.06435465e-001     1.8824475479;
				      78     1.8407245589    2.06435465e-001     1.9486234930;
				      83     2.2535954881    1.70462404e-001     1.6408337626;
				      88     2.5945202964    8.47058630e-002     0.8228885321;
				      93     2.7639320225    1.11803399e+000    11.0656169563;
				      98     2.7639320225    1.02581530e-001     1.0016932048;
				     103     2.9690950821    2.06435465e-001     2.0288180279;
				     108     3.3819660113    2.50000000e-001     2.4728755195;
				     113     3.8819660113    2.50000000e-001     2.4836423873;
				     118     4.3819660113    2.06435465e-001     2.0558530065;
				     123     4.7948369404    1.02581530e-001     1.0227348106;
				     128     5.0000000000    1.11803399e+000    11.1682816273;
				     133     7.2360679775    9.23207464e-001     9.2308613852;
				     138     9.0824829046    4.58758548e-001     4.5874489930];
				 xi = x(:,2);
				 yi = customized_fun(xi);
				 plot(xi,yi,'ro');
				 hold on;
				 fplot(@customized_fun,[0 10]);
				 hold on;
				 xi1 =x(:,2)+x(:,3);
				 yi1 = customized_fun(xi1);
				 plot(xi,yi,'b.');