[{"data":1,"prerenderedAt":380},["ShallowReactive",2],{"project-9654091":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":43,"post_text":45,"what":46,"said":61,"maker_in_thread":142,"shape":149,"grid":153,"attempts":343,"same_week":344,"maker_shows":32,"maker_hidden":372,"reader_version":373,"card":374},"9654091","Differential Equations Explained","point taken","maker","Show HN: Differential Equations Explained","http:\u002F\u002Flewis500.github.io\u002Fdiffeq\u002F","lewis500.github.io","lewis500",1433351045,2015,171,75,111,2565,5,"notable","learning_science","interactive math explainer","web_app",[24,25,26,27],"differential equations","ode","interactive math","calculus explainer","roasted",-0.375,{"positive":31,"neutral":32,"mixed":31,"critical":33},4,1,15,24,{"docs":36,"design":39,"execution":41,"idea":42},{"positive":37,"critical":38},0,8,{"positive":40,"critical":40},2,{"positive":32,"critical":18},{"positive":32,"critical":37},[32,37,32,32,37,32,37,37,37,37,37,37,37,37,37,37,37,37,37,37,32,37,37,37,37,37,32,44,37,32,32,32,32,18,18,32,44,32,32,18],3,null,{"problem":47,"audience":45,"pricing":45,"motivation":45,"time_to_build":45,"stack":59,"openness":60,"stage":60,"team_size":60},{"value":48,"source":49,"evidence":50},"Explaining differential equations to learners","inferred",[51,55],{"id":52,"by":53,"text":54},"9654979","andrepd","The intention is good, but without meaning to be overly negative, this is not very well written at all. There is imprecise and needlessly confusing and unclear phrasing (\"To…",{"id":56,"by":57,"text":58},"9654912","newobj","Thanks for explaining in literally 30 seconds what I failed to grasp in a fucking full semester of the class in college. Sigh.",[],"unknown",{"praise":62,"objections":79,"requests":111,"questions":121,"alternatives":126},[63,75],{"value":64,"source":65,"evidence":66},"Clear, polished visuals and slick animations","commenter",[67,71],{"id":68,"by":69,"text":70},"9658379","klunger","The first two sections seemed fine to me. However, the \"cartography\" section made almost no sense. It needs to be explained more clearly how the two carts are different and why…",{"id":72,"by":73,"text":74},"9654611","stickperson","Cool idea, and the site looks nice. That being said, I was lost by the end of the first section.",{"value":76,"source":65,"evidence":77},"Quick explanation helpful for beginners",[78],{"id":56,"by":57,"text":58},[80,89,104],{"value":81,"source":65,"evidence":82},"Explanations are unclear and too short for learners",[83,84,85],{"id":52,"by":53,"text":54},{"id":72,"by":73,"text":74},{"id":86,"by":87,"text":88},"9656763","mml","I can say assuredly, this explains precisely dick to a layman.",{"value":90,"source":65,"evidence":91},"Interactive graphs broken in Firefox and Windows\u002FIE",[92,96,100],{"id":93,"by":94,"text":95},"9654856","potch","Hovering on the graphs in Firefox, nothing happens and the console logs NaN problems.",{"id":97,"by":98,"text":99},"9654744","dragonwriter","Win 7, IE 11 -- there's a mass of overlapping text and images.",{"id":101,"by":102,"text":103},"9655366","wumbernang","Windows phone.... http:\u002F\u002Fi.imgur.com\u002FVo68qcm.jpg",{"value":105,"source":65,"evidence":106},"Friction example actually describes drag",[107],{"id":108,"by":109,"text":110},"9657664","mdturnerphys","> Consider a cart rolling to a stop. Its motion obeys the DE v̇=−k⋅v, where v is velocity, v̇ is the rate-of-change of velocity and k is a 'coefficient of friction.' This is…",[112,116],{"value":113,"source":65,"evidence":114},"Better explanation of the cartography section",[115],{"id":68,"by":69,"text":70},{"value":117,"source":65,"evidence":118},"Fix hover and browser compatibility bugs",[119,120],{"id":93,"by":94,"text":95},{"id":52,"by":53,"text":54},[122],{"value":123,"source":65,"evidence":124},"Why solve ODEs by integrating",[125],{"id":52,"by":53,"text":54},[127,135],{"value":128,"source":65,"evidence":129},"Wikipedia articles on ODEs",[130,131],{"id":52,"by":53,"text":54},{"id":132,"by":133,"text":134},"9656840","gcb0","wikipedia. Why everyone keep showering ecyclopedic knowledge on blog posts instead of updating things there?",{"value":136,"source":65,"evidence":137},"Coddington's ODE textbook",[138],{"id":139,"by":140,"text":141},"9655487","graycat","Ordinary differential equations? Okay: Just freshman calculus actually is a good start. 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