相关分析、画图

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%【程序1】.求称量精度、稀释精度和仪器精度
%[r,p]=corrcoef(x);              %x为称量平行样/稀释平行样/机试平行样的原始光谱数据矩阵

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%【程序2】.求相同溶剂不同样品间的相关系数
%[r,p]=corrcoef(x);              %x为三个待测样品的平均光谱数据矩阵

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%【程序3】.求相同样品不同溶剂间的相关系数
%[r,p]=corrcoef(x);              %x为四种溶剂的平均光谱数据矩阵

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%【程序4】.画图1 (相同样品在不同溶剂中的光谱差异性比较)
%x;            %波长序列
%y11;          %蒸馏水(277)
%y21;          %无水乙醇(277)
%y31;          %氯仿(277)
%y41;          %石油醚(277)

%y12;          %蒸馏水(279)
%y22;          %无水乙醇(279)
%y32;          %氯仿(279)
%y42;          %石油醚(279)

%y13;          %蒸馏水(281)
%y23;          %无水乙醇(281)
%y33;          %氯仿(281)
%y43;          %石油醚(281)

%subplot(1,3,1);
%plot(x,y11,'r-',x,y21,'b-',x,y31,'g-',x,y41,'k-');
%title('样品277');
%xlabel('波长(nm)');
%ylabel('吸光度');

%subplot(1,3,2);
%plot(x,y12,'r-',x,y22,'b-',x,y32,'g-',x,y42,'k-');
%title('样品279');
%xlabel('波长(nm)');
%ylabel('吸光度');

%subplot(1,3,3);
%plot(x,y13,'r-',x,y23,'b-',x,y33,'g-',x,y43,'k-');
%title('样品281');
%xlabel('波长(nm)');
%ylabel('吸光度');

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%【程序5】.画图2 (不同样品在相同溶剂中的光谱差异性比较)
%x;             %波长序列
%y11;           %277(蒸馏水)
%y21;           %279(蒸馏水)
%y31;           %281(蒸馏水)

%y12;           %277（无水乙醇）
%y22;           %279（无水乙醇）
%y32;           %281（无水乙醇）

%y13;           %277（氯仿）
%y23;           %279（氯仿）
%y33;           %281（氯仿）

%y14;           %277（石油醚）
%y24;           %279（石油醚）
%y34;           %281（石油醚）

%subplot(1,4,1);
%plot(x,y11,'r-',x,y21,'b-',x,y31,'k-');
%title('蒸馏水');
%xlabel('波长(nm)');
%ylabel('吸光度');

%subplot(1,4,2);
%plot(x,y12,'r-',x,y22,'b-',x,y32,'k-');
%title('无水乙醇');
%xlabel('波长(nm)');
%ylabel('吸光度');

%subplot(1,4,3);
%plot(x,y13,'r-',x,y23,'b-',x,y33,'k-');
%title('氯仿');
%xlabel('波长(nm)');
%ylabel('吸光度');

%subplot(1,4,4);
%plot(x,y14,'r-',x,y24,'b-',x,y34,'k-');
%title('石油醚');
%xlabel('波长(nm)');
%ylabel('吸光度');

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