MATLAB Contest

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  1. why we cann`t use any element in simulinks`s one block with other element in other block?

    why we cann`t use any element in simulinks`s one block with other element in other block? like i was using potentiometer of simelectronics block with other elements of simpower system block then simulink was showing that this is wrong connection..

    1 vote
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      0 comments  ·  Flag idea as inappropriate…  ·  Admin →
    • column edit

      Please add column mode feature, including column selection, column edit. Thanks

      1 vote
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        0 comments  ·  Flag idea as inappropriate…  ·  Admin →
      • Introduce a short (3-24 hour) daylight period before the start of darkness.

        The blank canvas will allow collaboration and competition on short simple entries, improving accessibility and appeal for contest newcomers. Code will be relatively easy to follow in this period, in contrast with the end of twilight. If this period is short enough, ambitious players will not have time to develop a contest-winning algorithm, and will be motivated to hold back until darkness/twilight. This early daylight might be a friendly introduction to the contest for new players.

        3 votes
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        • 8 votes
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          • Find a way to reward completely novel solution methods

            One way to do this would be through a minicontest where people could submit their different ideas with some identifying label, and the community could vote for most original/favorite method.

            4 votes
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            • Hide code for an hour after submission

              The competition needs to strike a better balance between tweaking and algorithmic improvements. To encourage more of the latter, code for each submission could be hidden (during daylight) for an hour (or more) after submission. This would help on the Big Sunday Push. It would also mean that you could start testing new approaches an hour before a deadline without fear of being "tweak-bumped" (beaten by a tiny last minute tweak of your own code).

              19 votes
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                0 comments  ·  Flag idea as inappropriate…  ·  Admin →
              • create the ability to schedule submissions.

                The only way to win Daylight is to submit during the final half hour of the contest. For a large part of the world this falls in the dead of night. Others are constrained by the reliability of their connections and a power failure or connectivity issue at a critical time can ruin a contestants chances. Scheduled entries can be scored immediately (or whenever the queue is idle) but effectively be in darkness until their scheduled submission time arrives. This should be much fairer to all involved.

                15 votes
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                • Use a separate test set for the grand prize

                  To avoid the problem of tweaking and over-fitting on the test set, every submission could be run on two different test stes - the first is used for all mid-contest competitions and scores are made known immediately, while the second is used for the Grand Prize, and scores are only made known after the queue closes. This would put more emphasis on making general improvements to the code.

                  19 votes
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                  • Give us a Algorithm day over the weekend.

                    There are many more participants in Darkness and Twilight, yet both these fall in the middle of the week. Either extend one of these phases, or shift the entire contest that at least one weekend day can be used for algorithm development.

                    26 votes
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                    • more points to inventors of an idea-code

                      It would be more fair if everyone who clone somebody else's submission leaved some points of his/her score to the owner of the initial submission. Maybe an hierarchy should be applied about how points will be distributed vertically on the list of "parents" of each cloned code.

                      5 votes
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                      • job opportunity

                        Would be nice for matlab contest team to offer to the winner of the prize the opportunity to work for mathworks in a related with the contest project. This would dramatically increased the numper of participants the contest

                        3 votes
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                        • Keep track of who added each line in the winner entries

                          It would be nice to see if any of your contibutions end in a leading entry. I think something similar was done in the past... i liked it!!

                          9 votes
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                          • Evaluate top 10 entries at end of contest phase again several times and use the mean score

                            To get a more meaningful score value to find the winner of a contest phase, the top 10 entries (or all entries inside a certain time interval) could be evaluated again several times to minimize the impact of machine load variations on the runtime.

                            22 votes
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                              0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                            • Reduce the fractional time dependance on the scores

                              One way to do that is to pick the scoring coefficients more appropriately to 'de-value' minor timing variations. Another way would be to just round the
                              times to the nearest tenth second. This helps eliminate the 'luck of the draw' due to random load variations on the contest system.

                              10 votes
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                              • Have a 2nd 'generality' test suite that is run only once a day

                                An idea for a contest prize for generality is to have a second test suite that the codes are only run against maybe once a day. The test-suite swaps in the past don't seem to reduce the tweaking too much, albeit caused just the opposite. I think the way to test for generality is to reduce, but not eliminate, the feedback you give us on the
                                solvers against a secondary test suite. One suggestion would be to run at midnight each night the top x (50? 100?) solvers against an alternate test-suite and provide a 'generality' score. This would prevent…

                                3 votes
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                                  1 comment  ·  Flag idea as inappropriate…  ·  Admin →
                                • Make the queue always be in 'darkness'

                                  Entries in the queue that haven't be run yet should never have their code viewable by anyone. This is should have a similar result as a twilight/darkness period, without preventing people from viewing previously run code. It would probably help significantly with the 'tweak bombing' that usually occurs right around each prize deadline throughout the entire contest.

                                  52 votes
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                                  • Show pass/fail code indication during darkness

                                    Too often at the start of a contest a lot of people's submissions fail for various reasons, unrelated to the main solver routine, even though they run ok on our personal systems. Usually this is because there is some sort of prohibited function in the code that the parser doesn't allow. We don't find this out until after darkness, ruining any chances of those entries seriously competing during that phase.

                                    A simple pass/fail indication will help us fix those types of issues without conveying any specific information back to us, and thus still be within the spirit of the darkness…

                                    31 votes
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                                      1 comment  ·  Flag idea as inappropriate…  ·  Admin →
                                    • 38 votes
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                                        1 comment  ·  Flag idea as inappropriate…  ·  Admin →
                                      • Complete a CAPTCHA before submitting an entry.

                                        (Only necessary if the contest only processes one entry per contestant, and each contestant is limited to one account name.)

                                        53 votes
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                                          2 comments  ·  Flag idea as inappropriate…  ·  Admin →
                                        • Break the test suite into pieces and parallelize the scoring process.

                                          If the scoring process took place across several machines, this would allow for the same consistency of timing, yet allow us to increase the test suite size and/or increase queue throughput.

                                          12 votes
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