代码搜索：DB2
找到约 1,467 项符合「DB2」的源代码
代码结果 1,467
www.eeworm.com/read/367675/2834746
txt 843.txt
发信人: cheap (廉价劳动力), 信区: DataMining
标 题: Re: 今天开始系统学学db,
发信站: 南京大学小百合站 (Wed Mar 6 17:15:41 2002)
DM,呵呵，写错了
【 在 yaomc 的大作中提到: 】
: 学习那个?
: Oracle还是DB2，或者是SQLServer？
: 还有，什么叫系统学习？
: 【 在
www.eeworm.com/read/367675/2836112
txt 770.txt
发信人: yaomc (白头翁&山东大汉), 信区: DataMining
标 题: [合集]哪里能DOWN IBM DB2的中文版
发信站: 南京大学小百合站 (Sun Dec 9 20:54:48 2001), 站内信件
abchardwood (hardwood) 于Wed Oct 24 01:54:36 2001)
提到：
yaomc (白头翁&山东大汉) 于We
www.eeworm.com/read/393857/8258415
m a75.m
load noisbump
x = noisbump;
t = wpdec(x,3,'db2');
figure(1);
fig = drawtree(t);
%产生图4-5所示一维小波包图形工具，这里相当于采用命令行方式完成第三章的分析
newt = readtree(fig);
%得到新的树
newt = wpjoin(newt,3);
%重新组合小波包
figu
www.eeworm.com/read/133415/14044498
m example4_2_2.m
load noisbump
x = noisbump;
t = wpdec(x,3,'db2');
figure(1);
fig = drawtree(t);
%产生图4-5所示一维小波包图形工具，这里相当于采用命令行方式完成第三章的分析
newt = readtree(fig);
%得到新的树
newt = wpjoin(newt,3);
%重新组合小波包
figu
www.eeworm.com/read/284781/8898928
m 例程16-9.m
%生成含噪的多项式信号
N=800;
t=1:N;
sig=t.^2-t+1;
x=sig+randn(1,N);
%一维小波分解
[c,l] = wavedec(x,4,'db3');
%[c,l] = wavedec(x,4,'db2');
%重构第1～4层逼近系数
a4 = wrcoef('a',c,l,'db3',4);
a3 = wrcoef('a',c,l,'db3
www.eeworm.com/read/284207/8953824
m 例程16-9.m
%生成含噪的多项式信号
N=800;
t=1:N;
sig=t.^2-t+1;
x=sig+randn(1,N);
%一维小波分解
[c,l] = wavedec(x,4,'db3');
%[c,l] = wavedec(x,4,'db2');
%重构第1～4层逼近系数
a4 = wrcoef('a',c,l,'db3',4);
a3 = wrcoef('a',c,l,'db3
www.eeworm.com/read/282790/9060046
m 例程16-9.m
%生成含噪的多项式信号
N=800;
t=1:N;
sig=t.^2-t+1;
x=sig+randn(1,N);
%一维小波分解
[c,l] = wavedec(x,4,'db3');
%[c,l] = wavedec(x,4,'db2');
%重构第1～4层逼近系数
a4 = wrcoef('a',c,l,'db3',4);
a3 = wrcoef('a',c,l,'db3
www.eeworm.com/read/375257/9367379
m f10_2.m
%生成含噪的多项式信号
N=800;
t=1:N;
sig=t.^2-t+1;
x=sig+randn(1,N);
%一维小波分解
[c,l] = wavedec(x,4,'db3');
%[c,l] = wavedec(x,4,'db2');
%重构第1-4层逼近系数.
a4 = wrcoef('a',c,l,'db3',4);
a3 = wrcoef('a',c,l,'db
www.eeworm.com/read/365787/9847082
m program_16_09.m
%生成含噪的多项式信号
N=800;
t=1:N;
sig=t.^2-t+1;
x=sig+randn(1,N);
%一维小波分解
[c,l] = wavedec(x,4,'db3');
%[c,l] = wavedec(x,4,'db2');
%重构第1～4层逼近系数
a4 = wrcoef('a',c,l,'db3',4);
a3 = wrcoef('a',c,l,'db3
www.eeworm.com/read/362220/10011892
m program_16_09.m
%生成含噪的多项式信号
N=800;
t=1:N;
sig=t.^2-t+1;
x=sig+randn(1,N);
%一维小波分解
[c,l] = wavedec(x,4,'db3');
%[c,l] = wavedec(x,4,'db2');
%重构第1～4层逼近系数
a4 = wrcoef('a',c,l,'db3',4);
a3 = wrcoef('a',c,l,'db3