matlab實驗2MATLAB基礎(chǔ)知識

matlab試驗2MATLAB基礎(chǔ)知識matlab試驗2MATLAB基礎(chǔ)知識1/2matlab試驗2MATLAB基礎(chǔ)知識試驗2MATLAB基礎(chǔ)知識試驗目的熟識MATLAB的數(shù)據(jù)類型熟識MATLAB的基本矩陣操作熟識MATLAB的運算符熟識MATLAB的字符串處理試驗內(nèi)容創(chuàng)建結(jié)構(gòu)體DataTypes,屬性包含MATLAB支持的全部數(shù)據(jù)類型，并通過賦值構(gòu)造結(jié)構(gòu)體二維數(shù)組。DataTypes.char=char([65]);DataTypes.string='hello';DataT=100;DataTypes.single=1.560DataTypes=char:'A'string:'hello'int:100single:1.5600>>DataTypes(2).char=char([66]);DataTypes(2).string='kugou';DataTypes(2).int=200;DataTypes(2).single=3.14DataTypes=1x2structarraywithfields:charstringintsingle用滿矩陣和稀疏矩陣存儲方式分別構(gòu)造下述矩陣。0100001000100000010000010A=答：A=1000010000100001B=0000A=0000010000100001A=0000110000100001A=0100110000100001A=0100100000100001S=sparse([1,2,3,4],[2,1,3,4],[1,1,1,1],4,5);D=full(D)D=01000100000010000010在矩陣A末尾增加一行（元素全為1）得到矩陣B，刪除矩陣A的最終一列得到矩陣C，替換矩陣A的全部非零元素為2得到矩陣D。分別查看矩陣（A,B,C,D）的長度。答：A=eye(4)B=zeros(4,1)A(1,1)=0A(2,1)=1A(1,2)=1A(2,2)=0C=[AB]A=1000010000100001B=0000A=0000010000100001A=0000110000100001A=0100110000100001A=0100100000100001C=01000100000010000010>>A=CA=01000100000010000010B=11111>>B=0100010000001000001011111C=0100100000100001A<ones(4,5)ans=10111011111101111101>>D=ans+ones(4,5)D=21222122222212222212>>a=size(A)b=size(B)c=size(C)d=size(D)a=45b=55c=44d=45給定矩陣E=rand(4,4),計算C+E,C.*E和C\E。>>E=rand(4,4)E=0.95010.89130.82140.92180.23110.76210.44470.73820.60680.45650.61540.17630.48600.01850.79190.4057>>C+Eans=0.95011.89130.82140.92181.23110.76210.44470.73820.60680.45651.61540.17630.48600.01850.79191.4057>>C.*Eans=00.8913000.2311000000.615400000.4057>>C\Eans=0.23110.76210.44470.73820.95010.89130.82140.92180.60680