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Cody

bym
最後のアクティビティ: 2020 年 2 月 10 日

What do you think of Cody, new service for MATLAB Central

What do you think of Cody? I'm interested in your comments

cody

General

Paulo Silva
最後のアクティビティ: 2022 年 8 月 12 日

Do you think that MATLAB is expensive?

We all know that MATLAB is probably the best software for engineering purposes, I think it's a little expensive unless you have it for free on your school or place you work, please share your opinion about MATLAB cost, including toolboxes, student versions... is it that expensive?

General

Doug Hull
最後のアクティビティ: 2015 年 2 月 17 日

How did you learn MATLAB?

I think a lot about how to more effectively teach MATLAB, internally to new hires, but also through my blog.

How did you learn MATLAB, what knowledge of programming did you have coming into learning MATLAB? When did you learn it is important also as the resources available have expanded radically in the last 15 years.

Answers from new users who are just beginning down this path are of particular interest, as those are who we can help the most.

General

Paulo Silva
最後のアクティビティ: 2016 年 10 月 22 日

How long have you been using matlab? tell us your story

Don't be shy, what was your matlab learning curve, how many years or months, what were the difficulties to begin with.

I think that the answers would be most valuable for new users, maybe you can also tell us the tricks that allowed you to master some parts or all matlab.

Now it's your turn...

General

Jan
最後のアクティビティ: 2024 年 9 月 20 日

Some Foreign Matlab forums

Which Matlab related forums and newsgroups do you use beside MATLAB Answers? Which languages do they use? Which advantages and unique features do they have?

Do you think that these forums complement or compete against MathWorks and its communication platform?

Actually all answers are accepted.

General

Matt Fig
最後のアクティビティ: 2022 年 6 月 1 日

Dumb mistakes we make with MATLAB.

O.k., admit it. Who has done this (or something that resulted in the same loss of info) before?

>> laster
??? Undefined function or variable 'laster'.
>> lasterr
ans =
Undefined function or variable 'laster'.

D'Oh! I need a ERRORBEFORELASTERR function.

What's one of your dumb MATLAB mistakes?

106

General

Walter Roberson
最後のアクティビティ: 2022 年 3 月 16 日

What parts of MATLAB would you not miss?

Are there parts of MATLAB that could disappear as far as you were concerned, things you don't need or which were "bad ideas" or which cause more trouble than they are worth in your experience?

One suggestion per answer please, so we can see how other people feel about the same matters.

General

Oliver Woodford
最後のアクティビティ: 2016 年 10 月 30 日

What do you like about MATLAB?

I use MATLAB most days (when I'm at work!). It makes my life easier, for many reasons, which is why I like it.

What are the reasons you like it (assuming you do), and why?

General

Oliver Woodford
最後のアクティビティ: 2023 年 6 月 13 日

[DEPRECATED] What frustrates you about MATLAB?

I love MATLAB. It is so quick and easy to write software to do what you want. It has excellent debugging and profiling tools. It is cross platform, making code easy to share (assuming the other people have forked out for the not-so-cheap license). It has interfaces to other software.

However, there are some things about it that irk me. I'd like to hear from other people what things annoy them about MATLAB.

---------------------------------

Because this thread has become so large it is slow to load and navigate. Please post new answers in the second thread.

---------------------------------

758

General

Oleg Komarov
最後のアクティビティ: 2023 年 6 月 7 日

Contributors metainfo: reputation and more

As asked by Vieniava in "How to make a list of user's reputation?", some of us came up with interesting ideas on how to fill an updated list with the reputation scores of the contributors to Answers.

I took the initiative to compile a public list of users with meta info:

position (desc ordering by reputation)
id
nickname (truncated to fit the page)
reputation
# of comments
# of questions asked
% accept rate
# of posts answered
# of accepted answers

The code used to compile the list is available at the bottom.

EDIT

TMW team implemented a page with the metascores: http://www.mathworks.com/matlabcentral/answers/contributors

Please refer to it and congrats to the team!

Use this function to retrieve info from the link above:

function [metainfo, elapsedTime] = metainfo(type,order)
% METAINFO - Retrieve metainfo on contributors to www.matworks.com/.../answers
%
%   METAINFO Retrieve data sorted by reputation in descending order 
%
%   METAINFO(TYPE,ORDER) Specify TYPE and sorting ORDER as
%       type :  'reputation'
%               'questions'
%               'answered'
%               'accepted'
%
%       order:  'asc'
%               'desc'
%   
% Examples:
%
%     % Standard call (rep, disc)
%     info = metainfo;
%       
%     % Sort by question answered in descending order
%     info = metainfo('an','d');
%
% See also: URLREAD, REGEXP
% Author: Oleg Komarov (oleg.komarov@hotmail.it) 
% Tested on R14SP3 (7.1) and on R2009b. In-between compatibility is assumed. 
% 28 feb 2011 - Created
tic
% Check # inputs
error(nargchk(0,2,nargin))
% Retrieve inputs
if nargin == 0
    type  = 'reputation';
    order = 'desc';
end
if ~exist(type,'var')
    sortTypes = {'reputation','questions','answered','accepted'};
    type  = sortTypes{strncmp(type,sortTypes,numel(type))};
    order = 'desc';
end        
if ~exist(order,'var')
    orderTypes = {'asc','desc'};
    type  = orderTypes{strncmp(order,orderTypes,numel(order))};
end        
% Build url string
url = ['http://www.mathworks.com/matlabcentral/answers/contributors?'...
       'dir=' order '&sort=' type '&page='];
% First read
[page, ok] = urlread([url '1']);
% Catch number of pages to read
if ok
    totcon = regexp(page,'>1 - 50 of (\d+)','tokens');
    totcon = dataread('string',totcon{1}{1},'%d');
    nPages = ceil(totcon/50);
else
    error('Cannot read ".../contributors?page=1"')
end
% Loop over contributors pages
metainfo = cell(totcon,7);
metainfo(1:end,1) = num2cell(1:size(metainfo,1));
for p = 1:nPages
    if ok
        endpos = 50*p;
        % Id, Rep
        expr = '><a href="\/matlabcentral\/answers\/contributors\/(\d+)';
        data = regexp(page, expr,'tokens');
        if 50*p > totcon; endpos = 50*(p-1)+numel(data); end
        metainfo(1+(p-1)*50:endpos,2) = [data{:}];
        % Nickname
        expr = ['"Reputation: (\d+)">([\w\ ' reshape([repmat(92,1,137);33:59,61:64,91:97,123:126,161:255],1,[]) ']+)</a></h2>'];
        data = regexp(page, expr,'tokens');
        metainfo(1+(p-1)*50:endpos,[4,3]) =  cat(1,data{:});
        % Qcount, Ans, Acc
        data = regexp(page, '<span >(\d+)</span>[A-z<>"-\s\/]+','tokens');
        metainfo(1+(p-1)*50:endpos,5:7) = reshape(cat(1,data{:}),3,[]).';
    else
        error('Metainfo import stopped. \nCannot read ".../contributors?page=%d"',p)
    end
    [page, ok] = urlread([url sprintf('%d',p+1)]);
end
% Convert to doubles
metainfo(:,[2,4:7]) = cellfun(@str2double,metainfo(:,[2,4:7]),'un',false);
elapsedTime = toc;

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