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Alex Feinman

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Company/University

The MathWorks

Personal Profile

I'm a Senior Usability Specialist here at MathWorks, supporting our internal teams--helping design the software that our own developers use. This means any coding I do is strictly amateur stuff, and my comments should NOT be considered the "voice of the MathWorks". In a past life I got a doctorate analyzing how people talk and work together via computers, and have worked on projects for various sponsors including ONR, NASA, AFOSR, and AFRL.

Professional Interests

Usability; ethnographic analysis; statistics; visualization; NLP; audio processing; image processing

787Rank
6Badges
470Score

Alex Feinman received Quiz Master badge for Solution 257882

on 7 Jun 2013

Alex Feinman submitted a Comment to Solution 116396

You really want a larger test suite, but how would it work?

on 20 Jul 2012

Alex Feinman liked Solution 65079

on 31 May 2012

Alex Feinman submitted a Comment to Problem 651. Functional inputs

I'd like to include the test case listed below, but I'm stumped as to why it doesn't work: %% x1 = [ 1 2 3 ] x2 = [ 10 20 ] y_correct = [9 19; 8 18; 7 17] y_actual = gridit(@minus, x1, x2); assert(isequal(y_actual, y_correct));

on 2 May 2012

Alex Feinman submitted a Comment to Problem 594. "Look and say" sequence

Sorry about that. Cut and paste fail.

on 17 Apr 2012

Alex Feinman submitted a Comment to Solution 39915

I can't believe I used a trick I learned from Javascript...

on 13 Feb 2012

Alex Feinman liked Solution 3031

on 13 Feb 2012

Alex Feinman submitted a Comment to Problem 288. Construct a string from letters and counts

Now with improved tests, and reference solution (which I'm sure you can beat).

on 8 Feb 2012

Alex Feinman submitted a Comment to Solution 797

Persistent server error trying to evaluate this solution...

on 25 Jan 2012

Alex Feinman submitted a Comment to Problem 23. Finding Perfect Squares

Another of the classic "check if MATLAB has a function that does this already" problems...

on 25 Jan 2012

Alex Feinman received Commenter badge for Problem 23. Finding Perfect Squares

on 25 Jan 2012

Alex Feinman liked Solution 733

on 25 Jan 2012

Alex Feinman received Promoter badge for Solution 733

on 25 Jan 2012