[{"data":1,"prerenderedAt":167},["ShallowReactive",2],{"project-9050379":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":10,"maker":11,"posted_at":12,"year":13,"points":14,"comments":15,"rank_in_year":16,"shown_in_year":17,"top":18,"tier":19,"category":20,"subcategory":21,"format":22,"keywords":23,"reception":28,"sentiment":29,"stance_mix":30,"scored_comments":34,"aspects":35,"strip":38,"post_text":41,"what":42,"said":45,"maker_in_thread":99,"shape":104,"grid":107,"attempts":129,"same_week":130,"maker_shows":33,"maker_hidden":159,"reader_version":160,"card":161},"9050379","Sierpinski Valentine","A Sierpinski Valentine in 4 equations","title","Show HN: A Sierpinski Valentine in 4 equations","https:\u002F\u002Fwww.desmos.com\u002Fcalculator\u002F9ed6k6wexp","desmos.com","harmonium1729",1423939278,2015,72,10,376,2565,15,"notable","learning_science","math visualisation","web_app",[24,25,26,27],"sierpinski fractal","desmos graphing","math art","valentine graph","mixed",0.238,{"positive":31,"neutral":31,"mixed":32,"critical":33},4,0,1,9,{"design":36,"idea":37},{"positive":32,"critical":33},{"positive":33,"critical":32},[39,39,33,40,40,39,32,40,40,39],5,3,null,{"problem":41,"audience":41,"pricing":41,"motivation":41,"time_to_build":41,"stack":43,"openness":44,"stage":44,"team_size":44},[],"unknown",{"praise":46,"objections":63,"requests":71,"questions":79,"alternatives":87},[47],{"value":48,"source":49,"evidence":50},"Very cool, fun visualisation of fractals and equations","commenter",[51,55,59],{"id":52,"by":53,"text":54},"9051467","JohnHammersley","This is very cool - both Desmos itself and the Sierpinkski Valentine example! In case you're more familar with LaTeX, you can also create similar visualizations in LaTeX using…",{"id":56,"by":57,"text":58},"9052723","lion_del","Very cool!",{"id":60,"by":61,"text":62},"9050986","jwmerrill","You can send this graph as a valentine, or make your own at http:\u002F\u002Fmathogram.desmos.com\u002F Disclosure: I'm one of the engineers at Desmos.",[64],{"value":65,"source":49,"evidence":66},"Browser compatibility problem on Android Aurora browser",[67],{"id":68,"by":69,"text":70},"9052050","darklajid","Unsupported browser. Desmos works best on your version of Android if you use the Chrome Browser. (Close page in Aurora, no clue what \"Desmos\" is but I don't care by now)",[72],{"value":73,"source":49,"evidence":74},"Export the graph as SVG for CNC cutting",[75],{"id":76,"by":77,"text":78},"9051856","joshu","can i extract an svg of this? that would let me CNC it.",[80],{"value":81,"source":49,"evidence":82},"How do people come up with such equations?",[83],{"id":84,"by":85,"text":86},"9050974","splike","How the heck do people come up with these equations? Is it purely mathematical knowledge, knowing what functions look like when plotted?",[88,92],{"value":89,"source":49,"evidence":90},"LaTeX with TikZ and lindenmayersystems library for similar fractals",[91],{"id":52,"by":53,"text":54},{"value":93,"source":49,"evidence":94},"Iterated function systems for constructing Sierpinski gasket",[95],{"id":96,"by":97,"text":98},"9051714","meta_pseudo","There are iterated function systems (IFS) for constructing such fractals, Sierpinski gasket is in fact quite common.",{"comments":33,"answered":32,"key":100},[101],{"id":102,"text":103},"9051235","Yeah - I think it'd take some serious chops to construct this from scratch (note: it wasn't me! author: twitter.com\u002Fteachwithcode). But I've been having a blast deconstructing…",{"commenters":15,"max_depth":40,"maker_replies":33,"first_comment_mins":105,"lifespan_hours":106},225,20,[108,110,111,114,116,119,123,125,126,128],[60,32,39,109,61,32],"project\u002Fpositive\u002Fnone",[52,33,39,109,53,32],[68,112,33,113,69,32],2,"project\u002Fcritical\u002Fdesign",[84,40,40,115,85,32],"project\u002Fneutral\u002Fidea",[117,40,40,115,118,32],"9050996","azeirah",[120,40,39,121,122,32],"9051141","project\u002Fpositive\u002Fidea","electronvolt",[102,40,32,124,11,33],"maker\u002Fpositive\u002Fnone",[96,40,40,115,97,32],[76,31,40,127,77,32],"project\u002Fneutral\u002Fnone",[56,39,39,109,57,32],[],[131,136,141,145,150,154],{"id":132,"name":133,"points":134,"category":135},"9050970","websocketd",421,"dev_tools",{"id":137,"name":138,"points":139,"category":140},"9040841","Let's Chat",350,"productivity",{"id":142,"name":143,"points":144,"category":135},"9047086","Littlebox",192,{"id":146,"name":147,"points":148,"category":149},"9056423","NomadHouse",127,"web_saas",{"id":151,"name":152,"points":153,"category":135},"9058872","Calc",94,{"id":155,"name":156,"points":157,"category":158},"9040423","Portal",86,"infrastructure",false,"v2",{"id":162,"name":5,"line":6,"ai":159,"cat":20,"year":13,"points":14,"comments":15,"rec":28,"s":163,"top":18,"kw":164,"maker":11,"domain":10,"tier":19,"attempts":32,"strip":165,"url":9,"mix":166,"praise":48,"objection":65,"sub":21},9050379,0.24,[24,25,26,27],"5513350335",[31,31,32,33],1793990920314]