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Rosi Marungu


Active since 2015

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At every second step fmincon stays on the same point but should continue.
For some reason fmincon always does one decent step away from its initial point, but then stays on the point of the first iterat...

5 years ago | 1 answer | 0

1

answer

Question


fmincon - How to suppress warnings during gradient estimation?
Fmincon estimates the gradient numerically. While doing so it sometimes gets close to the parameter bounds which causes my objec...

5 years ago | 1 answer | 0

1

answer

Question


Econometrics Toolbox: External Regressors in GARCH Equation
Is it possible to include additional external regressors in the GARCH equation of GARCH model in the Econometrics Toolbox? In...

7 years ago | 0 answers | 0

0

answers

Question


Why does this code slow down?
I am trying to run a huge simulation experiment. parameters is a cell with a 5200x1 parameter matrix in each entry. estimatedPar...

7 years ago | 0 answers | 0

0

answers

Question


Repeated fmincon optimization of slightly different objective functions
Hi! I have a (log-likelihood) function *_f(x,data)_*, which I optimize repeatedly w.r.t *_x_* using fmincon. After each optim...

8 years ago | 1 answer | 0

1

answer

Question


How to change plot background color for some datapoints?
I would like to produce a plot as shown below. The feature I am looking are the different background colors for some of the data...

8 years ago | 2 answers | 0

2

answers

Question


Avira detects trojan - plc coder toolbox
Hi! The files studio5000_import.exe, step7_lang.exe, step7_import_en.exe, step7_import_de.exe, are reported to be virus...

8 years ago | 1 answer | 1

1

answer

Question


Why does my optimization stop after the first iteration?
I do not know much about numerical optimization. My question is, what are possible reasons for fmincon to stop after 0 iteration...

8 years ago | 0 answers | 0

0

answers

Question


What's the fastest way to program a matrix recursion in matlab?
The matrix-recursion of the n by n matrices Y_t looks like this: <<https://chart.googleapis.com/chart?cht=tx&chl=Y_{t}=A%...

8 years ago | 1 answer | 0

1

answer

Question


What's the fastest way to program a matrix recursion in matlab?
The matrix-recursion of the n by n matrices Y_t looks like this: <<https://chart.googleapis.com/chart?cht=tx&chl=Y_{t}=...

8 years ago | 0 answers | 0

0

answers