Yasin Simsek

Last seen: 4年以上前 | 2019 年からアクティブ

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質問

Parametrizing Initial Points for fminunc
I want to minimize a function. When doing this I want also to parameterize initial points and try to optimze them. Indeed, i hav...

6年以上前 | 2 件の回答 | 0

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質問

Initial point selection in MLE of GARCH
I want to estimate a simple GARCH(1, 1) model with maximum likelihood estimation. I wrote the log likelihood function. I minimiz...

6年以上前 | 0 件の回答 | 0

0

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質問

"Fminunc cannot continue" Error with gamma function
I am trying to minimize minus likelihood function for the ML estimation. I get the following error: "Objective function is undef...

6年以上前 | 1 件の回答 | 0

1

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質問

Supplied objective function must return a scalar value in fminunc
I write the following code for AR(2) process maximum likelihood estimation global y t; y = [1 2 4 6 4 12 11 13 11 14 16 17]'...

7年弱前 | 1 件の回答 | 0

1

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質問

Not enough input arguments with fminunc
I wrote the followng code global y t; y = [1 2 4 6 4 12 11 13 11 14 16 17]'; T = length(y); t = [1:T]'; x0 = [0, 0]; ...

7年弱前 | 1 件の回答 | 0

1

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質問

fminbnd gives "Operands to the || and && operators must be convertible to logical scalar values"
I am trying to write value function iteration method. I write following function; function val = valfnc(k) global beta alph...

約7年前 | 1 件の回答 | 0

1

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