MATLAB数值运算实验报告材料.docx

文档介绍：: .
系（部）:信息工程班级:
姓名：学号:
实
验
报
生
n
课程：M]
[Q,R]=deconv(Y,X)
s2=
13
s3=
11
s4=
1313
Y=
14443
X=
1021
Q=
14
R=
002-5-1
>>poly2sym(Q)
ans=
x+4
>>poly2sym(R)
ans=>>conv(Q,X)+R-Yans=
00000>>s1=[101]s2=[13]s3=[11]
s4=conv(s1,s2)
Y=conv(s4,s3)X=[1021][Q,R]=deconv(Y,X)s1=
101
s2=
13
s3=
11
s4=
1313
Y=
1021
Q=
14
R=
002-5-1
poly2sym(Q)
ans=
x+4
poly2sym(R)
ans=
2*xA2-5*x-1
conv(Q,X)+R-Y
ans=
00000
2.
x=1:10
y=[163270142260436682101014321960]
p1=polyfit(x,y,1)
y1=polyval(p1,)
x=1:2:9
diff(x)
x=linspace(0,2*pi,100);
y=sin(x);
plot(x,y)
y1=diff(y)./diff(x);
plot(x(1:end-1),y1)
x=ones(1,10)
cumsum(x)
x=linspace(0,pi,100);
y=sin(x);
s=trapz(x,y)
练****2:
x=[
];
y1=[44454750503830303436344145464337332832655554
5250666668];
y2=[4459707293100110110110117118116118118121124121121
121116122838182868568];
Y1=y1./18*40;Y2=y2./18*40;t1=trapz(X,Y1),t2=trapz(X,Y2),t=t2-t14.
〔1〕>>='2005073100T;
>>='jack';
>>student(2).number='20050731002';
>>student(2).name='lucy';
〔2〕>>student(1).subject=[]>>student(1).sorce=[]>>student
>>fieldnames(student)
>>getfield(student,{2},'name')
>>student=rmfield(student,'subject')
>>student=setfield(student,{1},'sorce',90);>>stuent(2).sorce=88;〔3〕
>>A={'Howare
you!',ones(3);[1
2;34],{'cell'}};
>>B(1,1)={'Hello
world'};
>>B(2,1)={[1
〔4〕
234]};
>>ans1=A(1,1)
>>ans2=A{1,1}
>>whosansians2
>>celldisp(A)
>>a1=A{2,1}(1,2)
>>[a2a3]=deal(A{1:2})
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