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Cody is a useful tool to practice MATLAB skills not only by solving the problems but also learn from each other’s solutions. Sometimes you see subpar solutions that are cheats and hacks. With the flagging feature we released recently, you can help us identify solutions that administrators, including Community Advisory Board members, can review and delete.
How to flag?
Flag Options - Only available on solutions
All the players now have the ability to filter the Cody problems based on the difficulty level. You can also sort based on the difficulty level. Try it out and let us know what you think.
We are introducing Scratch Pad in Cody to support iterative problem solving. Scratch Pad will enable you to build your solution line-by-line, experiment with different MATLAB functions, and test your solution before submitting.
Try it out and let us know what you think.
Happy New Year, everyone! We hope you enjoyed the Cody contest in 2020, learned new MATLAB skills, and made a friend or two. While the 2020 contest has concluded, the fun and learning never end.
Please take the 1-minute survey to talk about your experience (only 2 required questions). Our goal is to make future contests better and more appealing to you, so your feedback is critical to us.
Thank you in advance and hope to see you again in the 2021 contest.
We are excited to announce that Cody Contest 2020 starts today! Again, the rule is simple - solve any problem and rate its difficulty. If you have any question, please visit our FAQs page first. Want to know your ranking? Check out the contest leaderboard .
Happy problem-solving! We hope you are a winner.
Solve coding problems. Improve MATLAB skills. Have fun. See details and register .
Below are some FAQs for the Cody contest 2020. If you have any additional questions, ask your questions by replying to this post. We will keep updating the FAQs.
Q1: If I rate a problem I solved before the contest, will I still get a raffle ticket?
A: Yes. You can rate any problem you have solved, whether it was before or during the contest period.
Q2: When will I receive the contest badges that I've earned?
A: All badges will be awarded after the contest ends.
Q3: How do I know if I’m the raffle winner?
A: If you are a winner, we will contact you to get your name and mailing address. You can find the list of winners on the Cody contest page .
Q4: When will I receive my T-shirt or hat?
A: You will typically receive your prize within a few weeks. It might take longer for international shipping.
Q5: I'm new to Cody. If I have some questions about using Cody, how can I get help?
A: You can ask your question by replying this post. Other community users might help you and we will also monitor the threads. You might also find answers here .
Q6: What do I do if I have a question about a specific problem?
A: If the problem description is unclear, the test suite is broken, or similar concerns arise, post your question(s) as a comment on the specific problem page. If you are having a hard time solving a problem, you can post a comment to your solution attempt (after submitting it). However, do not ask other people to solve problems for you.
Q7: If I find a bug or notice someone is cheating/spamming during the contest, how can I report it?
A: Use Web Site Feedback . Select "MATLAB Central" from the category list.
Q8: Why can't I rate a problem?
A: To rate a problem, you must solve that problem first and have at least 50 total points.
Cody has a wealth of problem groups that allow users of various skill levels to improve programming skills vis-à-vis MATLAB in an engaging way.
I would like to highlight the Draw Letters group, composed of problems created by Majid Farzaneh.

If you haven't yet visited Cody or solved that problem group, I would recommend that you head over there now. What are you waiting for?