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Igor


Michigan Technological University

Last seen: 8 months 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...

10 months 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...

3 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...

3 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...

3 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 ...

6 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 ...

7 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...

8 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...

8 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 ...

8 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 ...

8 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...

8 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...

8 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...

9 years ago | 2 answers | 0

2

answers