clearclcs=[000000355024050160751504801502001152501418047530015035024280800400250420365651600800];x=input('请输入浓度值:')];fori=1:6forj=1ifx(i)s(j,i)r(j,i)=1elseifs(j,i)=x(i)&&x(i)=s(j+1,i)r(j,i)=(s(j+1,i)-x(i))/(s(j+1,i)-s(j,i))elser(j,i)=0endendforj=2:4ifs(j-1,i)=x(i)&&x(i)=s(j,i)r(j,i)=(x(i)-s(j-1,i))/(s(j,i)-s(j-1,i))elseifs(j,i)=x(i)&&x(i)=s(j+1,i)r(j,i)=(s(j+1,i)-x(i))/(s(j+1,i)-s(j,i))elser(j,i)=0endendforj=5ifx(i)s(j,i)r(j,i)=1elseifs(j-1,i)=x(i)&&x(i)=s(j,i)r(j,i)=(x(i)-s(j-1,i))/(s(j,i)-s(j-1,i))elser(j,i)=0endendend