袁越強(qiáng)MATLAB上機(jī)實(shí)驗(yàn)報(bào)告一

平頂山學(xué)院計(jì)算機(jī)語(yǔ)言類課程實(shí)驗(yàn)報(bào)告（一）課程名稱MATLAB語(yǔ)言及應(yīng)用實(shí)驗(yàn)機(jī)房3305院系電氣信息工程學(xué)院專業(yè)電氣工程及其自動(dòng)化班級(jí)二班學(xué)號(hào)姓名機(jī)器號(hào)實(shí)驗(yàn)日期任課教師王凱實(shí)驗(yàn)學(xué)時(shí)2實(shí)驗(yàn)成績(jī)一．實(shí)驗(yàn)名稱：MATLAB求解線性方程組和矩陣的初等計(jì)算二．實(shí)驗(yàn)?zāi)康暮鸵?、掌握利用MATLAB程序編輯器編寫(xiě)應(yīng)用程序的方法；2、掌握MATLAB求解線性方程組的方法；3、掌握MATLAB進(jìn)行矩陣的初等計(jì)算的方法三．實(shí)驗(yàn)內(nèi)容1、求線性方程組的解2、設(shè)，，求C1=A*B’；C2=A’*B；C3=A.*B，并求它們的逆陣。3、（a）列出4×4階的單位矩陣I、魔方矩陣M和2×4階的全幺矩陣A、全零矩陣B；（b）將這些矩陣拼接為8×8階的矩陣C；其中；（c）求出C的第2、4、6、8行，組成4×8階的矩陣C1,再取C1的第2、4、6、8列，組成4×4階的矩陣C2。4、課本P84練習(xí)1注意：指數(shù)函數(shù)為exp；EQ\R(,3)通過(guò)平方根函數(shù)為sqrt或者冪運(yùn)算符；兩個(gè)含自變量數(shù)組相乘或者相除，需要借助于點(diǎn)乘或者點(diǎn)除四．實(shí)驗(yàn)設(shè)計(jì)方案（實(shí)驗(yàn)步驟或開(kāi)發(fā)過(guò)程）1.%方程的解clearallClcA=[3,4,-7,-12;5,-7,4,2;1,0,8,-5;-6,5,-2,10];B=[4;-3;9;-8];S=A\B2.%矩陣的運(yùn)算

clearall

clc

A=[14813;-36-5-9;2-7-12-8]

B=[543-2;6-23-8;-13-97]

C1=A*B'

C2=A'*B

C3=A.*B3.%矩陣的輸入

clearall

clc

I=eye(4)

M=magic(4)

A=ones(2,4)

B=zeros(2,4)

C=[I[A'B'];[A;B]M]

C1=C([2468],[1:end])

C2=C1([1234],[2468])4.%練習(xí)題一

clearall

clc

t=[-1:0.01:1]

y=sqrt(3)/2*exp(-4*t).*sin(4*sqrt(3)*t+pi/3)五．實(shí)驗(yàn)中存在問(wèn)題及解決辦法六．實(shí)驗(yàn)結(jié)果五．實(shí)驗(yàn)中存在問(wèn)題及解決辦法六．實(shí)驗(yàn)結(jié)果五．實(shí)驗(yàn)中存在問(wèn)題及解決辦法六．實(shí)驗(yàn)結(jié)果五．實(shí)驗(yàn)中存在問(wèn)題及解決辦法六．實(shí)驗(yàn)結(jié)果五．實(shí)驗(yàn)中存在問(wèn)題及解決辦法在實(shí)驗(yàn)中，關(guān)于“先買(mǎi)票后上車(chē)”問(wèn)題沒(méi)搞清楚，導(dǎo)致第4題運(yùn)行不出來(lái)。最后經(jīng)過(guò)老師的指點(diǎn)和翻閱課本找到問(wèn)題所在，成功解決。六．實(shí)驗(yàn)結(jié)果1.S=-1.4841-0.68160.5337-1.24292.C1=[19-8230;12273;-385429]C2=[-1516-2436;63-1793-105;226117-60;194684-10]3.I=[1000;0100;0010;0001]M=[162313;511108;97612;414151]A=[1111;1111]B=[0000;0000]C=[10001100;01001100;00101100;00011100;1111162313;1111511108;000097612;0000414151]C1=[01001100;00011100;1111511108;0000414151]C2=[1010;0110;11118;00141]4.(Columns1through10)18.507920.633522.468924.025025.313826.347927.140527.705328.056428.2080Columns11through2028.174627.970527.610227.107826.477425.732824.887223.953622.944521.8720Columns21through3020.747419.581818.385417.168015.938714.705813.477412.260511.06199.8874(Columns31through40)8.74247.63176.55955.52944.54453.60742.72011.88441.10130.3717(Columns41through50)-0.3042-0.9262-1.4947-2.0102-2.4738-2.8866-3.2498-3.5652-3.8344-4.0593(Columns51through60)-4.2420-4.3845-4.4892-4.5582-4.5939-4.5985-4.5746-4.5244-4.4502-4.3544(Columns61through70)-4.2392-4.1067-3.9592-3.7987-3.6272-3.4466-3.2587-3.0652-2.8677-2.6678(Columns71through80)-2.4669-2.2662-2.0670-1.8705-1.6775-1.4891-1.3060-1.1290-0.9586-0.7954(Columns81through90)-0.6399-0.4924-0.3533-0.2226-0.10060.01260.11700.21270.29970.3782(Columns91through100)0.44830.51030.56440.61080.64990.68210.70750.72670.73990.7475(Columns101through110)0.75000.74770.74090.73010.71570.69790.67730.65400.62860.6012(Columns111through120)0.57220.54200.51070.47870.44620.41350.38070.34820.31590.2843(Columns121through130)0.25330.22310.19390.16570.13870.11290.08840.06530.04350.0231(Columns131through140)0.0042-0.0134-0.0295-0.0441-0.0574-0.0693-0.0799-0.0891-0.0971-0.1039(Columns141through150)-0.1095-0.1140-0.1175-0.1200-0.1215-0.1222-0.1221-0.1213-0.1197-0.1176(Columns151through160)-0.1148-0.1116-0.1080-0.1039-0.0996-0.0949-0.0901-0.0850-0.0799-0.0746(Columns161through170)-0.0693-0.0639-0.0586-0.0533-0.0481-0.0430-0.0381-0.0332-0.0286-0.0241(Columns171through180)-0.0198-0.0158-0.0119-0.0083-0.0049-0.00170.00120.00390.00640.0086(Columns181through190)0.01070.01240.01400.01540.01660.01760.01840.01900.01940.0197(Columns191through200)0.01990.01990.01980.01960.01930.01890.01840.01780.01720.0165(Column201)0.0157七．附錄（源程序清單）.1.%clearallclcA=[3,4,-7,-12;5,-7,4,2;1,0,8,-5;-6,5,-2,10];B=[4;-3;9;-8];S=A\B2.%clearall

clc

A=[14813;-36-5-9;2-7-12-8]

B=[543-2;6-23-8;-13-9