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Igor


Michigan Technological University

Last seen: 2 years ago Active since 2013

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Question


What is the difference between phasor measurement unit (PMU) blocks in Simulink?
Hello, I would like to know the following regarding the PMU functionality (IEEE Std C37.118) recently implemented in MATLAB/Sim...

2 years ago | 1 answer | 0

1

answer

Answered
How to conveniently plot iteration progress during a 2D optimization?
Hi Denis, Thank you for the answer! Based on your reply, I can come to the conclusion that there is no ready-to-use functi...

5 years ago | 0

Question


How to conveniently plot iteration progress during a 2D optimization?
Hello, I am curious whether there is a convenient and ready-to-use option to get a 3D plot (probably, a surface plot) that wo...

5 years ago | 2 answers | 1

2

answers

Question


Handling bound constraints by the Levenberg-Marquardt algorithm
Hello, Could anyone please tell me why the Levenberg-Marquardt algorithm embedded in "lsqnonlin" does not handle bound constr...

5 years ago | 2 answers | 0

2

answers

Question


Does it make sense to scale bounds for 'lsqnonlin'?
Hello, I am wondering if I need to scale the initial guess vector as well as lower and upper bounds when dealing with MATLAB ...

8 years ago | 1 answer | 0

1

answer

Question


Automatic 1-D de-noising - what is "threshold rescaling using a single estimation of level noise"?
Hello, The "wden" function for automatic 1-D denoising has an input parameter defining threshold rescaling. *Could anyone ...

9 years ago | 0 answers | 0

0

answers

Answered
Optimization toolbox-fmincon error-
You can't pass symbolic variables as functions to 'fmincon'. Use 'matlabFunction' to convert your symbolic functions to functio...

10 years ago | 0

Question


Does thresholding for denoising generally apply to details only?
Hello All, The Wavelet Toolbox graphical interface menu offers two different tools for denoising 1D signals by means of discr...

10 years ago | 0 answers | 0

0

answers

Question


Does the toolbox have biorthogonal coiflets?
Hello, I have read some information on coiflet wavelets provided by the following command: waveinfo('coif'); It says ...

10 years ago | 0 answers | 0

0

answers

Question


Low diversity of trial points produced by Global Search
Hello, I have a question about the Global Search optimization algorithm, which I am currently dealing with, and I would like ...

10 years ago | 0 answers | 0

0

answers

Answered
GA optimiser error in boxdirections
Hi Ulrik, From the docs: "You should set Population size to be at least the value of Number of variables, so that the indivi...

10 years ago | 0

| accepted

Question


Why does Pattern Search take so long?
Hello, Could anyone please help me figure out the following? This is the first time I have tried the pattern search solver...

10 years ago | 1 answer | 0

1

answer

Question


Is it possible to perform parallel computing with lsqnonlin?
Hello, Could anybody please tell me if parallel computations are possible with the MATLAB optimization routine "lsqnonlin"? F...

11 years ago | 2 answers | 0

2

answers