lwt 与 dwt的结果差异 ？
本帖最后由 wdhd 于 2016-9-18 14:05 编辑>> s=1:8
s =
1 2 3 4 5 6 7 8
>> =dwt(s,'haar')
a =
2.1213 4.9497 7.7782 10.6066
b =
-0.7071 -0.7071 -0.7071 -0.7071
>> =lwt(s,'haar')
c =
2.1213 4.9497 7.7782 10.6066
d =
0.7071 0.7071 0.7071 0.7071
>> s1=idwt(a,b,'haar')
s1 =
1.0000 2.0000 3.0000 4.0000 5.0000 6.0000 7.0000 8.0000
>> s2=ilwt(a,b,'haar')
s2 =
2 1 4 3 6 5 8 7
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