matlab程序设计语言答案

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1、一、实验结果：1、程序：3*3的单位阵：>>a=eye(3)a=10001000115*8的单位阵：>>a=eye(15,8)a=1000000001000000001000000001000000001000000001000000001000000001000000000000000000000000000000000000000000000000000000003*3的全1阵：>>a=ones(3)a=11111111115*8的全1阵>>a=ones(15,8)a=1111111111111111111111111111111111

2、11111111111111111111111111111111111111111111114511111111111111111111111111111111111111113*3的全0阵：>>a=zeros(3)a=00000000015*8的全0阵：>>a=zeros(15,8)a=0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003*3的均匀分布

3、随机阵（[-1,1]之间）：>>r=2*rand(3,3)-1r=0.62940.8268-0.44300.81160.26470.0938-0.7460-0.80490.91503*3的正态分布随机阵（均值为1，方差为4）：>>r=2*randn(3,3)+1r=6.53892.45080.5901-1.69980.87390.75177.06982.42953.979415*8的均匀分布随机阵（[-1,1]之间）：>>r=2*rand(15,8)-145r=Columns1through50.5844-0.90770.41870.398

4、20.23210.9190-0.80570.50940.7818-0.05340.31150.6469-0.44790.9186-0.2967-0.92860.38970.35940.09440.66170.6983-0.36580.3102-0.72280.17050.86800.9004-0.6748-0.70140.09940.3575-0.9311-0.7620-0.48500.83440.5155-0.1225-0.00330.6814-0.42830.4863-0.23690.9195-0.49140.5144-0.21550.

5、5310-0.31920.62860.50750.31100.59040.1705-0.5130-0.2391-0.6576-0.6263-0.55240.85850.13560.4121-0.02050.5025-0.3000-0.8483-0.9363-0.1088-0.4898-0.6068-0.8921-0.44620.29260.0119-0.49780.0616Columns6through80.55830.37840.54980.86800.49630.6346-0.7402-0.09890.73740.1376-0.8324

6、-0.8311-0.0612-0.5420-0.2004-0.97620.8267-0.4803-0.3258-0.69520.6001-0.67560.6516-0.13720.58860.07670.8213-0.37760.9923-0.63630.0571-0.8436-0.4724-0.6687-0.1146-0.70890.2040-0.7867-0.7279-0.47410.92380.73860.3082-0.99070.159415*8的正态分布随机阵（均值为1，方差为4）：>>r=2*randn(15,8)+1r=Col

7、umns1through51.06702.04011.6151-1.72342.6521-1.66740.9599-1.51421.91014.05403.25500.9305-0.7309-0.69741.93381.7004-0.59630.64690.33020.58060.40193.03742.58282.10562.25041.04580.7336-1.66403.07821.36650.4760-0.4291-3.6597-1.2353-1.059545-2.50043.7028-1.89823.52132.89840.428

8、70.55051.66702.32031.6141-0.6627-0.17811.78270.86431.2703-0.95840.41251.90340.60962.0305-