Opportunism
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Linear Algebra (Schedule Update)
2007-05-21 00:00:00
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Sec. 6.3 The Adjoint of a Linear Operator
Sec. 7.1 The Jordan Canonial Form I
spectrum
2007-02-27 00:00:00
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spectrum(sunspots,spans=10,xlim=c(0,1),main="10:Notquite)
abline(v=1:3/10,lty=3)
程序2
2007-02-24 00:00:00
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sym.poly<-function(z,k)
{
# Sum of the products of k
# distinct elements of the vector z
if(k==0) {r <- 1}
else if(k==1)
{r <- sum(z)}
else {
r <- 0
for(i in 1:length(z)) {r <- r + z[i]*...
程序1
2007-02-20 00:00:00
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op<-par(mfrow=c(4,2),mar=c(2,4,4,2))
n <- 200
for(i in 1:4) {
x <- NULL
while(is.null(x)) {
model<-list(ar=rnorm(1))
try(x<-arima.sim(model,n))
}
acf(x, main=paste( "ARMA(1,0)", "AR:", round(mod...
2007 on the move
2007-01-29 00:00:00
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1. 一个关于环境监测和水污染的项目
2. 数据库学习
3. 搞定老师分配的SRTP任务
4. 重修的课 该过的过 能满绩点就满绩点
5. 生活稳定 远离小偷
新地点|新工作|新操作系统|第一个程序
2008-09-12 00:00:00
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#include
int main()
{
std::cout << "Enter two numbers:" << std::endl;
int v1, v2;
std::cin >> v1 >> v2;
std::cout << "The sum of " << v1 << " and " << v2 << " is " << v1 + v2 << std::endl;
...