Feeds
질문
Wrong Hessian output in fminunc
Can somebody explain weird Matlab's output for the following optimization problem? The goal is to minimize and to evaluate Hess...
4년 초과 전 | 답변 수: 3 | 0
3
답변질문
Estimate parameters (multivariate t distribution)
Hello! Is there a built-in function in Matlab that estimates parameters of a multivariate t distribution (scale matrix, degree...
4년 초과 전 | 답변 수: 0 | 1
0
답변질문
Constrained ARIMA parameter estimation
Hello! How do I estimate the parameters of ARIMA model with lower bounds on the parameters (constrained optimization)? I'm cur...
대략 5년 전 | 답변 수: 0 | 0
0
답변질문
ARIMA model (infer the inputs)
Hello! I have to estimate the following MA(1) model where is available time series. I can estimate the model parameter an...
대략 5년 전 | 답변 수: 0 | 0
0
답변질문
Date and number (hour) to times
I have two columns: First - Date (for example, 24-Jun-2015); Second - Hour for that Date (for example, 9, i.e., just a number of...
5년 초과 전 | 답변 수: 1 | 0
1
답변질문
Why simple expression is not simplified (Symbolic Toolbox)?
Quite simple code syms a b assume(a,'real'); assume(b,'real'); simplify((-1)^a*(b-1)^a) The answer is obviously (1-b)...
6년 초과 전 | 답변 수: 1 | 0
1
답변질문
Estimating GARCH(1,1) model with fmincon
Hello! I have the script that estimates GARCH(1,1) model, but for some reason I obtain parameter estimates that are a little ...
거의 9년 전 | 답변 수: 1 | 0