资源描述：
《楼顺天 第二版 matlab7.x 程序设计语言答案.doc》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、P83No.3>>A=5-round(100*rand(50,2))/10A=0.8000-4.20004.10005.0000-1.00000.40000.30000.8000-2.00000.4000-2.0000-2.7000-1.40001.80004.7000-2.80004.30000.30001.80004.6000-0.30003.2000-1.5000-2.20000.90000.3000-3.20003.5000-2.20001.6000-4.7000-1.1000-0.30003.10001.7000-2.40003.90002.6000-1.1000-4.2000-2.
2、80002.30000.8000-2.70004.10003.10002.30002.10003.50004.10002.2000-0.80000.6000-1.8000-0.3000-0.50000.40000.7000-3.8000-1.4000-0.2000-1.5000-4.4000-1.8000-1.4000-1.4000-4.6000-4.50002.60002.9000-1.8000-2.10002.10002.6000-1.70003.8000-2.0000-1.10004.30000.50002.50000.40002.8000-1.6000-1.7000-2.7000-3.
3、40001.50001.6000-1.6000-2.80000.8000-1.8000-3.40004.9000-3.3000-1.00002.40001.1000-1.1000No.6>>A=randn(10,10)A=-0.4326-0.18670.2944-0.3999-1.6041-1.01060.00000.56890.62320.3899-1.66560.7258-1.33620.69000.25730.6145-0.3179-0.25560.79900.08800.1253-0.58830.71430.8156-1.05650.50771.0950-0.37750.9409-0.
4、63550.28772.18321.62360.71191.41511.6924-1.8740-0.2959-0.9921-0.5596-1.1465-0.1364-0.69181.2902-0.80510.59130.4282-1.47510.21200.44371.19090.11390.85800.66860.5287-0.64360.8956-0.23400.2379-0.94991.18921.06681.25401.19080.21930.38030.73100.1184-1.00780.7812-0.03760.0593-1.5937-1.2025-0.9219-1.00910.
5、57790.3148-0.74200.56900.3273-0.0956-1.4410-0.0198-2.1707-0.01950.04031.44351.0823-0.82170.1746-0.83230.5711-0.1567-0.0592-0.04820.6771-0.3510-0.1315-0.2656>>[i,j]=find(-0.5>length(j)ans=26P146No.5clear;x=-3:0.1:3;figure(1)y1=2*x+5
6、;y2=x.^2-3*x+1;subplot(1,2,1),plot(x,y1),title('函数1')axis([-33-55])subplot(1,2,2),plot(x,y2),title('函数2')axis([-33-55])No.7clear;x=[19033454245];h=pie(x,{'生活费','资料费','电话费','购买衣服','其他费用'})explode=[01000];figure(1)pie(x,{'生活费','资料费','电话费','购买衣服','其他费用'})title('每月消费比例')h=175.0033176.0023177.0022178.002
7、2179.0022180.0022181.0022182.0022183.0022184.0022No.9[x,y]=meshgrid([-2:0.25:2]);>>z=x.^2+y.^2+sin(x*y);>>contour3(x,y,z,30)surface(x,y,z,'EdgeColor',[.8.8.8],'FaceColor','none')>>gridoff>>view(-15,25
