数学建模竞赛交通拥堵对经济和公共健康的影响论文(7)

y(k)=(x(k)-50)*2/50+2; else

y(k)=(x(k)-100)/5+4; end end end Y

附录八

x=[数据略]; y=[];

for k=1:1:116 if x(k)<50

y(k)=35*x(k)/50; else

if x(k)<=100

y(k)=(x(k)-50)/(100-50)*40+35; else

if x(k)<=150

y(k)=(x(k)-100)/50*40+75; else

if x(k)<=200

y(k)=(x(k)-150)/50*35+115; else

if x(k)<=300

y(k)=(x(k)-200)/100*100+150; else

if x(k)<=400

y(k)=(x(k)-300)/100*100+250; else

y(k)=(x(k)-400)/100*150+350; end end end end end end end Y

附录九十十一 x=[数据略] y=[数据略]; plot(x,y,'*')

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