Weekly challenge 20: The Olympic \LOGO

7368 /www/nrich/html/content/id/7368/ 1 2011-02-01T00:00:01 <?xml version="1.0" encoding="UTF-8"?> <mdoxml version="1.0"> <table style="border:none;" border="1"> <tbody> <tr> <td colspan="6" style="border:none;"> <ul id="stemLinks"> <li><a href="http://nrich.maths.org/1532&part=">Warm-up</a></li> <li><a href="http://nrich.maths.org/7406&part=">Try this next</a></li> <li><a href="https://nrich.maths.org/discus/messages/27/150534.html">Ask NRICH</a></li> <li><a href="http://nrich.maths.org/7445&part=">Read all about it</a></li> <li><a href="http://nrich.maths.org/7054&part=solution">Last week's solution</a></li> </ul> </td> </tr> <tr> <td colspan="6" style="border:none;"> How would you write a <a href="http://nrich.maths.org/5460&part=">LOGO</a> program to approximately reproduce the Olympic Rings logo? You can do this theoretically, use logo or even try to do it in a limited number of characters making use of the twilgo <a href="http://twilgo.com/nrich">http://twilgo.com</a> environment. Using this small number of characters is a challenge! </td> </tr> <tr> <td colspan="6" style="border:none;" width="600"> <div class="framework">Did you know ... ? <a href="http://nrich.maths.org/5460&part=">LOGO</a> is a simple programming language which instructs a pointer (or 'turtle') to move on a flat surface. Mathematicians often become very skilled computer programmers and learning how to create beautiful, efficient algorithms is a part of this.</div> </td> </tr> </tbody> </table> </mdoxml> <?xml version="1.0" encoding="UTF-8"?> <mdoxml version="1.0"> If you go to <a href="http://twilgo.com/nrich/">nrichtwilgo</a> then RT 90 REPEAT 3 [REPEAT 360 [FD 1 RT 1] PU FD 125 PD] PU RT 139 FD 245 RT 41 PD REPEAT 2 [REPEAT 360 [FD 1 RT 1] PU FD 130 PD] will approximately produce the desired image. Perhaps you can produce a 'better' algorithm to display this? If so, let us know! For trademarking reasons we are unable to display this image, so why not try this for yourself? </mdoxml> <?xml version="1.0" encoding="UTF-8"?> <mdoxml version="1.0"> If you go to <a href="http://twilgo.com/nrich/">nrichtwilgo</a> then RT 90 REPEAT 3 [REPEAT 360 [FD 1 RT 1] PU FD 125 PD] PU RT 139 FD 245 RT 41 PD REPEAT 2 [REPEAT 360 [FD 1 RT 1] PU FD 130 PD] will approximately produce the desired image. Perhaps you can produce a 'better' algorithm to display this? If so, let us know! For trademarking reasons we are unable to display this image, so why not try this for yourself? </mdoxml> 2 3 0 0 1 1 1 Weekly challenge 20: The Olympic \LOGO A weekly challenge concerning drawing shapes algorithmically. Applications Design Applications sport Applications Technology Admin Computer-based Applications STEM - design technology Information and Communications Technology Logo