Contributors from All Time


Walter Roberson

I do not do free private consulting. If you want to bring my attention to something, send a link to the MATLAB Answers location. I am currently caught up to T0099119; if you are waiting on a reply from me for an older issue, please send me a reminder.

123320 reputation
34 questions
55199 answers
22440 accepted answers

Image Analyst

Senior Scientist (male/man) and Inventor in one of the world's 10 largest industrial corporations doing image analysis full time. Ph.D. in Optical Sciences specializing in imaging, image processing, and image analysis. 40+ years of military, academic, and (mostly) industrial experience with image analysis programming and algorithm development. Experience designing custom light booths and other imaging systems. Experience with color and monochrome imaging, video analysis, thermal, ultraviolet, hyperspectral, CT, MRI, radiography, profilometry, microscopy, NIR and Raman spectroscopy, etc. on a huge variety of subjects. Member of the Mathworks Community Advisory Board. Be sure to click "View All" in my File Exchange to see ALL of my demos and tutorials: Professional Interests: Image analysis and processing

71306 reputation
0 questions
35899 answers
11931 accepted answers

Star Strider

Hic sunt dracones! PROFESSIONAL: Physician (M.D.): Diplomate of the American Board of Internal Medicine; M.Sc. Biomedical Engineering: Instrumentation, Signal Processing, Control, System Identification, Parameter Estimation NON-PROFESSIONAL: Amateur Extra Class Amateur Radio Operator; Private Pilot, Airplane Single Engine Land, Instrument Rating Airplane; Gamer NOTE: I do not respond to emails or personal messages, unless they are about my File Exchange contributions. Time Zone: UTC-7 (Standard); UTC-6 (Daylight Savings/Summer)

57404 reputation
0 questions
17912 answers
10056 accepted answers


It is easier to solve a problem than to guess, what the problem is. Questions about FileExchange submissions are welcome - get my address from the code. I do not answer mails concerning questions in the forum.

38537 reputation
80 questions
14604 answers
5380 accepted answers


Suspensa Vix Via Fit

30633 reputation
4 questions
8037 answers
5176 accepted answers

Matt J

Professional Interests: medical image processing, optimization algorithmsPLEASE NOTE: I do not read email sent through my author page. Please post questions about FEX submissions in their respective Comments section.

24540 reputation
216 questions
9560 answers
4454 accepted answers

KSSV Professional Interests: Mathematical Computing

23945 reputation
19 questions
10589 answers
4310 accepted answers
21360 reputation
0 questions
6386 answers
3469 accepted answers

Azzi Abdelmalek

University teacherSpeciality: Automatic controlHobbies: Football, Music and Chess. Professional Interests: Automatic Control

20268 reputation
6 questions
7144 answers
3186 accepted answers
18132 reputation
18088 questions
18133 answers
18092 accepted answers

John D'Errico

DON'T contact me. I won't answer questions. PERIOD. I don't do your homework. I won't do consulting. A retired mathematician, numerical analyst, woodworker, bridge player.

17739 reputation
10 questions
6198 answers
2498 accepted answers


15256 reputation
45 questions
5752 answers
2613 accepted answers
14126 reputation
0 questions
4632 answers
2141 accepted answers

Steven Lord

I joined The MathWorks in the Technical Support department during the summer of 2001 and transferred into the Quality Engineering department in March of 2004. I now work qualifying the core MATLAB numerical functions (PLUS, MINUS, LU, FFT, ODE45, etc.)Professional Interests: mathematics, MATLABFor assistance with MATLAB question please post to MATLAB Answers or contact Technical Support using the Contact Us link in the upper-right corner of the page instead of contacting me directly.

13932 reputation
0 questions
6507 answers
2231 accepted answers

the cyclist

Head of Modeling and Statistics at Alden Scientific. Obsessive runner. Professional Interests: Predictive modeling, statistics. (I don't respond to email via author page, but will usually look at a question if you send me a link to it.)

13551 reputation
40 questions
4620 answers
2044 accepted answers

Ameer Hamza


13469 reputation
4 questions
4496 answers
2618 accepted answers

James Tursa

Interested in external applications, mex & engine applications with Fortran, C, C++, etc, particularly in the areas of speed improvement and memory management efficiencies.

12850 reputation
17 questions
4091 answers
1976 accepted answers
11972 reputation
10 questions
3282 answers
2098 accepted answers

madhan ravi

Communication through MATLAB is always better than arguing.

11892 reputation
53 questions
4538 answers
2175 accepted answers

Sean de Wolski

I like to be outside. But if I'm inside, I like to be using MATLAB.I'm a Senior Application Engineer at MathWorks and civil/structural engineer by education.

11485 reputation
14 questions
4807 answers
1711 accepted answers

Geoff Hayes

Professional Interests: Software Engineering, Target Tracking, Video Streaming apps

10064 reputation
0 questions
3212 answers
1747 accepted answers

Fangjun Jiang

What is a model?Professional Interests: Model-Based Development

8666 reputation
13 questions
3386 answers
1466 accepted answers
8584 reputation
0 questions
3599 answers
1607 accepted answers


E-mails with feedback/questions about FEX submissions are welcomed. In general I will post e-mails about Answers on the related page, unless there is good cause not to do so.

8322 reputation
12 questions
2870 answers
1464 accepted answers
7786 reputation
4 questions
3137 answers
1515 accepted answers
7028 reputation
55 questions
2341 answers
1131 accepted answers

Greg Heath

Backgound in Electromagnetic Theory, Plasma Physics and Radar Target Identification using Neural Networks. PhD Student, Research Assistant and Lecturer at Stanford;AB, ScB, ScM Student; Research Assistant, Fellow and Professor at Brown; 27 yrs researching Ballistic and Theatre Missile Defense using Neural Networks at MIT Lincoln Laboratory. Retired 2003. PLEASE DO NOT SEND QUESTIONS AND DATA TO MY EMAIL. HOWEVER, CAN SEND LINKS TO POSTS.Professional Interests: Neural Netwoks, Spectral Analysis

6672 reputation
33 questions
3103 answers
2033 accepted answers

Wayne King

I am a developer on the Wavelet Toolbox at MathWorksDISCLAIMER: Any advice or opinions posted here are my own, and in no way reflect that of MathWorks.Professional Interests: Signal Processing

6468 reputation
0 questions
2706 answers
1103 accepted answers
6156 reputation
0 questions
2061 answers
808 accepted answers
6046 reputation
0 questions
2006 answers
1220 accepted answers

Matt Fig

Matt is currently employed at Sunstate Risk Assessments, LLC in the beautiful Florida panhandle. He holds degrees in physics and mechanical engineering.Professional Interests: MATLAB, C++, ANSYS

5847 reputation
13 questions
1506 answers
799 accepted answers

Kaustubha Govind

I am a Software Developer on the Simulink Engine team at MathWorks. I have also worked in our Technical Support Department in the past, with a specialization in our code-generation products.DISCLAIMER: Any advice or opinions posted here are my own, and in no way reflect that of MathWorks.**IMPORTANT NOTE**: Please be considerate and avoid sending personal messages to contributors on this forum. All users participate voluntarily, and in their spare time. It is forum etiquette to first search for a solution to your problem on the forum to see if it has been answered before. If you do not find a solution, formulate your problem well and post it as a question on the forum. Be patient and allow time for it to be answered. There are some great tips in these discussions:

5508 reputation
0 questions
2202 answers
832 accepted answers

Thomas Koelen

Image quality analyst at Océ Technologies Studied Applied Physics in Enschede

5348 reputation
12 questions
104 answers
29 accepted answers
5179 reputation
40 questions
1780 answers
814 accepted answers

Alan Weiss

I write documentation for MATLAB mathematical toolboxes, primarily optimization. I have also written documentation for PDE, statistics, symbolic math, and econometrics.My pre-MathWorks job was with Bell Labs, primarily in mathematical models of data traffic, with a strong interest in parallel computation and in rare events (large deviations).I do not provide private consulting. If you have a question, please ask on a public forum such as MATLAB Answers.

5108 reputation
0 questions
2304 answers
942 accepted answers


Professional Interests: Signal Processing, OOP, Matlab GUI programming, Machine Learning

5100 reputation
17 questions
1875 answers
867 accepted answers

Chad Greene

I am interested in the floating ice shelves that fringe East Antarctica. My current work is toward building a better understanding of how climatology influences glaciology via oceanography. I also have some experience with the acoustics of gas hydrates and oceanic methane bubbles.Homepage: www.chadagreene.comProfessional Interests: Antarctic ice shelf dynamics, sea level rise, underwater acoustics, methane hydratesNote: I will not do your homework for you and I will not respond to emails directing me to a question posed on the Answers forum.

4733 reputation
88 questions
1017 answers
347 accepted answers


#Image Processing #Learner Alma #TezpurUniv Insta: @simmpleness_human

4495 reputation
15 questions
1995 answers
817 accepted answers


Hi, I'm nobody. I don't belong here, but I have nothing better to do. Matlab used to be part of my work. Now it's part of my hobbies. That's pretty sad, really. -- I don't reply to email anymore. If you have a question about my questionable FEX submissions, leave a comment on the FEX page and I'll get the notification. Alternatively, ask a question on the forum and @DGM me so I'll get notified.

4459 reputation
28 questions
1745 answers
873 accepted answers


Knowledge means knowing where it is written...Interested in:- Optimization- Mathematical Modelling- Improvement of my programming skills

4453 reputation
5 questions
1434 answers
812 accepted answers

David Hill

Electrical Engineering with minors in Computer Science and Mathematics. Working as Undergraduate Research Assistant in the field of Computational Photonics

4314 reputation
0 questions
1822 answers
806 accepted answers


Someone who is interested in Mathematics, Control and Engineering. Also, music as a hobby.

4220 reputation
11 questions
1098 answers
794 accepted answers

Mischa Kim

Networker, learner, educatorProfessional Interests: Spacecraft dynamics and control, numerical analysis, simulation, animation

3994 reputation
2 questions
1127 answers
632 accepted answers

Cedric Wannaz

General interest: interdisciplinary approaches to complex problems (in particular mixing Mathematics, Physics, and Computer science).

3854 reputation
17 questions
772 answers
465 accepted answers

Oleg Komarov

PhD in Financial Economics at Imperial College London.Professional Interests: asset management, big data, systematic trading strategies, financial modelling

3846 reputation
37 questions
1022 answers
483 accepted answers

Jos (10584)

I have been using Matlab since version 4 (1999 or so) and still prefer it over all other software tools available for data manipulation :-)My professional interests: neuroscience (motor control & eye movements), cognitive psychology physics, mathematics, teaching"The most important part of programming is writing the comments!"

3840 reputation
7 questions
1390 answers
468 accepted answers
3618 reputation
0 questions
1597 answers
693 accepted answers
3464 reputation
0 questions
1482 answers
591 accepted answers
3411 reputation
19 questions
124 answers
46 accepted answers
3132 reputation
0 questions
1017 answers
562 accepted answers