捕魚(yú)業(yè)持續(xù)收獲的效益問(wèn)題-資料下載頁(yè)
2025-03-26 00:39本頁(yè)面
【正文】 y=rx39。)hold onx2=0::3y2=2*x2plot(x2,y2,39。b39。)text(,39。P*39。)hold onx3=0::4y3=x3plot(x3,y3,39。b39。)text(,3,39。P39。)text(,39。y=h(x)=Ex39。)hold onx4=3y4=0::3plot(x4,y4,39。r:39。)text(,39。x039。)hold onx5=2y5=0::4plot(x5,y5,39。r:39。)text(,39。x0*=N/239。)hold onx6=0::3y6=3plot(x6,y6,39。r:39。)text(,3,39。h39。)hold onx7=0::2y7=4plot(x7,y7,39。r:39。)text(,4,39。hm39。)圖二clc。clear。ezplot(39。y=x.^2+4*x39。,[0, 4],[0 ,5])text(4,39。r39。)text(,1,39。T(E)39。)hold onx1=0::2y1=4*x1plot(x1,y1,39。r:39。)text(,39。pNE39。)hold onx2=0::3y2=3*x2plot(x2,y2,39。b39。)text(,39。S(E)=cE39。)hold onx3=0::4y3=x3plot(x3,y3,39。b39。)text(,3,39。S(E)=cE39。)hold onx4=3y4=0::3plot(x4,y4,39。r:39。)text(,39。Es239。)hold onx5=2y5=0::4plot(x5,y5,39。r:39。)text(,39。x0*=r/239。)hold onx8=1y8=0::3plot(x8,y8,39。r:39。)text(,39。Es139。) 16
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