matlab实验一答案详解_免费下载

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1、实验1.MATLAB运算基础一．实验目的二．实内容1、（1）Z1=2*sin(85)/(1+exp(2))Z1=-0.0420（2）>>x=[21+2*i;-0.455];Z2=1/2*log(x+sqrt(1+x^2))Z2=0.7114-0.0253i0.8968+0.3658i0.2139+0.9343i1.1541-0.0044i（3）a=-3.0:0.1:3.0;z3=(exp(0.3*a)-exp(-0.3*a))/2.*sin(a+0.3)+log((0.3+a)/2)z3=Columns

2、1through50.7388+3.1416i0.7696+3.1416i0.7871+3.1416i0.7913+3.1416i0.7822+3.1416iColumns6through100.7602+3.1416i0.7254+3.1416i0.6784+3.1416i0.6196+3.1416i0.5496+3.1416iColumns11through150.4688+3.1416i0.3780+3.1416i0.2775+3.1416i0.1680+3.1416i0.0497+3.1416i

3、Columns16through20-0.0771+3.1416i-0.2124+3.1416i-0.3566+3.1416i-0.5104+3.1416i-0.6752+3.1416iColumns21through25-0.8536+3.1416i-1.0497+3.1416i-1.2701+3.1416i-1.5271+3.1416i-1.8436+3.1416iColumns26through30-2.2727+3.1416i-2.9837+3.1416i-37.0245-3.0017-2.30

4、85Columns31through35-1.8971-1.5978-1.3575-1.1531-0.9723Columns36through40-0.8083-0.6567-0.5151-0.3819-0.2561Columns41through45-0.1374-0.02550.07920.17660.2663Columns46through500.34780.42060.48410.53790.5815Columns51through550.61450.63660.64740.64700.6351

5、Columns56through600.61190.57770.53270.47740.4126Column610.3388（4）t=0:0.5:2.5;z4=t.^2.*(t>=0&t<1)+(t.^2-1).*(t>=1&t<2)+(t.^2-2*t+1).*(t>=2&t<3)z4=00.250001.25001.00002.25002（1）>>A=[1234-4;34787;3657];B=[13-1;203;3-27];A+6*BA-B+eye(size(A))ans=1852-1046710

6、5215349ans=1231-3328840671（2）>>A*BA.*Bans=684462309-72596154-5241ans=1210246802619-13049（3）>>A^3A.^3ans=372262338244860424737014918860076678688454142118820ans=172839304-643930434365850327274625343（4）>>A/BBAans=16.4000-13.60007.600035.8000-76.200050.2000

7、67.0000-134.000068.0000ans=109.4000-131.2000322.8000-53.000085.0000-171.0000-61.600089.8000-186.2000（5）>>[A,B][A([1,3],:);B^2]ans=1234-413-13478720336573-27ans=1234-436574511101920-5403（1）>>A=[12345;678910;1112131415;1617181920;2122232425]B=[3016;17-69;0

8、23-4;970;41311]C=A*BA=12345678910111213141516171819202122232425B=301617-69023-497041311C=9315077258335237423520397588705557753890717（2）>>F=size(C)D=C(F(1)-2:F(1),F(2)-1:F(2))F=53D=520397705557890717（3）>>whosNameSizeBytesCl