matlab数值运算实验报告.docx

文档介绍：-
. z
实验报告
系 (部)：信息工程班级：
**：**：
课程：MATLAB 实验名称：Ma 11]
S1 =
2 3 11
>> S2=[1 3 -5 4 7]
S2 =
1 3 -5 4 7
>> S3=conv(S1,S2)
S3 =
2 9 10 26 -29 65 77
>> S4=deconv(S3,S1)
S4 =
1 3 -5 4 7
>> S1=[2 4 2]
S1 =
2 4 2
-
. z
1
>> polyval(S1,3)
ans =
32
>> *=1:10
* =
1 2 3 4 5 6 7 8 9 10
>> y=polyval(S1,*)
y =
8 18 32 50 72 98 128 162 200 242
练****1：
>> clear all
>> s1=[1 0 1]
s2=[1 3]
s3=[1 1]
s4=conv(s1,s2)
Y=conv(s4,s3)
*=[1 0 2 1]
[Q,R]=deconv(Y,*)
s1 =
1 0 1
s2 =
1 3
s3 =
1 1
s4 =
1 3 1 3
Y =
1 4 4 4 3
* =
1 0 2 1
-
. z
1
Q =
1 4
R =
0 0 2 -5 -1
>> poly2sym(Q)
ans =
* + 4
>> poly2sym(R)
ans =
2**^2 - 5** - 1
>> conv(Q,*)+R-Y
ans =
0 0 0 0 0
>> s1=[1 0 1]
s2=[1 3]
s3=[1 1]
s4=conv(s1,s2)
Y=conv(s4,s3)
*=[1 0 2 1]
[Q,R]=deconv(Y,*)
s1 =
1 0 1
s2 =
1 3
s3 =
1 1
s4 =
1 3 1 3
Y =