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As a result, it shows up everywhere people write code. Here are my favorite Fibonacci-related problems on Cody.\nBy the way, that image is of Leonardo of Pisa. History knows him as Fibonacci, but his friends never called him that. Maybe we should call these things \"Leo sequences.\"","problemsCount":9,"solvedCount":null,"percentageComplete":null,"url":"/matlabcentral/cody/matlabcentral/cody/groups/122","image":"/responsive_image/200/150/0/0/0/cache/matlabcentral/cody/group/122/show_image/1549313691.jpg","recentSolversCount":364,"difficultyRating":"medium","difficultyValue":1.8791941},{"id":50,"name":"Project Euler II","description":"More problems inspired by Project Euler.","problemsCount":12,"solvedCount":null,"percentageComplete":null,"url":"/matlabcentral/cody/matlabcentral/cody/groups/50","image":"/responsive_image/200/150/0/0/0/cache/matlabcentral/cody/group/50/show_image/1560197906.jpg","recentSolversCount":65,"difficultyRating":"medium","difficultyValue":1.8847117},{"id":89841,"name":"YouTube-inspired","description":"Problems inspired by math YouTubers such as Numberphile, Michael Penn, Maths 505, and J Pi Maths. ","problemsCount":15,"solvedCount":null,"percentageComplete":null,"url":"/matlabcentral/cody/matlabcentral/cody/groups/89841","image":"/responsive_image/200/150/0/0/0/cache/matlabcentral/cody/group/89841/show_image/1718135431.jpg","recentSolversCount":4,"difficultyRating":"medium","difficultyValue":1.8861558},{"id":623,"name":"Computer Games III","description":"Test your MATLAB skills at playing or solving computer games.","problemsCount":13,"solvedCount":null,"percentageComplete":null,"url":"/matlabcentral/cody/matlabcentral/cody/groups/623","image":"/responsive_image/200/150/0/0/0/cache/matlabcentral/cody/group/623/show_image/1571173875.jpg","recentSolversCount":1,"difficultyRating":"medium","difficultyValue":1.8938493},{"id":33144,"name":"Easy Sequences Volume I","description":"Collection of math challenges. Not necessarily easy and not necessarily about sequences...","problemsCount":10,"solvedCount":null,"percentageComplete":null,"url":"/matlabcentral/cody/matlabcentral/cody/groups/33144","image":"/responsive_image/200/150/0/0/0/cache/matlabcentral/cody/group/33144/show_image/1636998715.jpg","recentSolversCount":9,"difficultyRating":"medium","difficultyValue":1.8993487},{"id":8178,"name":"Back to Alphabet","description":"Back to alphabet!\n\nSolve these problems based on the key board and the alphaet!\n                                       \n\nLook at the aplhabet:-Alphabet\nLokk at the key board:-Key Board QWERTY","problemsCount":10,"solvedCount":null,"percentageComplete":null,"url":"/matlabcentral/cody/matlabcentral/cody/groups/8178","image":"/responsive_image/200/150/0/0/0/cache/matlabcentral/cody/group/8178/show_image/1661290139.jpg","recentSolversCount":68,"difficultyRating":"medium","difficultyValue":1.9039102},{"id":678,"name":"Project Euler III","description":"More problems inspired by Project Euler.","problemsCount":11,"solvedCount":null,"percentageComplete":null,"url":"/matlabcentral/cody/matlabcentral/cody/groups/678","image":"/responsive_image/200/150/0/0/0/cache/matlabcentral/cody/group/678/show_image/1561995425.jpg","recentSolversCount":20,"difficultyRating":"medium","difficultyValue":1.9075327},{"id":2,"name":"Cody Challenge","description":"Basic to advanced MATLAB problems created by the Cody Team at MathWorks.\nA great starting place for new Cody players!","problemsCount":13,"solvedCount":null,"percentageComplete":null,"url":"/matlabcentral/cody/matlabcentral/cody/groups/2","image":"/responsive_image/200/150/0/0/0/cache/matlabcentral/cody/group/2/show_image/1721744356.jpg","recentSolversCount":1738,"difficultyRating":"medium","difficultyValue":1.9085779},{"id":69,"name":"Combinatorics I","description":"Why isn't it k choose n or k choose m or n choose m or ...?","problemsCount":15,"solvedCount":null,"percentageComplete":null,"url":"/matlabcentral/cody/matlabcentral/cody/groups/69","image":"/responsive_image/200/150/0/0/0/cache/matlabcentral/cody/group/69/show_image/1557346577.jpg","recentSolversCount":24,"difficultyRating":"medium","difficultyValue":1.9085803},{"id":51,"name":"Paper-\u0026-pencil Games","description":"While these games can be played with paper and pencil, Matlab is much faster at winning.","problemsCount":18,"solvedCount":null,"percentageComplete":null,"url":"/matlabcentral/cody/matlabcentral/cody/groups/51","image":"/responsive_image/200/150/0/0/0/cache/matlabcentral/cody/group/51/show_image/1574195312.jpg","recentSolversCount":4,"difficultyRating":"medium","difficultyValue":1.9161557},{"id":91051,"name":"Prime Numbers III","description":"More problems on the building blocks of numbers","problemsCount":19,"solvedCount":null,"percentageComplete":null,"url":"/matlabcentral/cody/matlabcentral/cody/groups/91051","image":"/responsive_image/200/150/0/0/0/cache/matlabcentral/cody/group/91051/show_image/1720131388.jpg","recentSolversCount":6,"difficultyRating":"medium","difficultyValue":1.9173719},{"id":81701,"name":"Groundwater","description":"Problems on hydrogeologic properties of soils and engineering applications of groundwater","problemsCount":19,"solvedCount":null,"percentageComplete":null,"url":"/matlabcentral/cody/matlabcentral/cody/groups/81701","image":"/responsive_image/200/150/0/0/0/cache/matlabcentral/cody/group/81701/show_image/1704168062.jpg","recentSolversCount":2,"difficultyRating":"medium","difficultyValue":1.9735789},{"id":5,"name":"Tiles Challenge","description":"Problems inspired by edge-matching puzzles, in which polygons edges, distinguished with colors or patterns, are tiled so that edges of adjacent tiles match.","problemsCount":7,"solvedCount":null,"percentageComplete":null,"url":"/matlabcentral/cody/matlabcentral/cody/groups/5","image":"/responsive_image/200/150/0/0/0/cache/matlabcentral/cody/group/5/show_image/1506522797.jpg","recentSolversCount":214,"difficultyRating":"medium","difficultyValue":1.9967915},{"id":115,"name":"Classic Game Puzzles","description":"A collection of problems directly related to the gameplay and mechanics of a few classics; chess, sudoku and the sliding puzzle.","problemsCount":11,"solvedCount":null,"percentageComplete":null,"url":"/matlabcentral/cody/matlabcentral/cody/groups/115","image":"/responsive_image/200/150/0/0/0/cache/matlabcentral/cody/group/115/show_image/1557346620.jpg","recentSolversCount":14,"difficultyRating":"medium","difficultyValue":2.0001693},{"id":53,"name":"Board Games II","description":"Utilize Matlab to win all the board games.","problemsCount":14,"solvedCount":null,"percentageComplete":null,"url":"/matlabcentral/cody/matlabcentral/cody/groups/53","image":"/responsive_image/200/150/0/0/0/cache/matlabcentral/cody/group/53/show_image/1565706238.jpg","recentSolversCount":10,"difficultyRating":"medium","difficultyValue":2.0040069},{"id":2432,"name":"Algorithm I","description":"Greedy algorithm\nDynamic Programming","problemsCount":17,"solvedCount":null,"percentageComplete":null,"url":"/matlabcentral/cody/matlabcentral/cody/groups/2432","image":"/responsive_image/200/150/0/0/0/cache/matlabcentral/cody/group/2432/show_image/1716984815.jpg","recentSolversCount":8,"difficultyRating":"medium","difficultyValue":2.0932055},{"id":60265,"name":"Easy Sequences Volume VIII","description":"Collection of math challenges. 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Can you do it, too?\n(Coconut photograph by horiavarlan on Flickr, who kindly made it available under the CC-BY 2.0 license.)","problemsCount":19,"solvedCount":null,"percentageComplete":null,"url":"/matlabcentral/cody/matlabcentral/cody/groups/54228","image":"/responsive_image/200/150/0/0/0/cache/matlabcentral/cody/group/54228/show_image/1665577111.jpg","recentSolversCount":9,"difficultyRating":"medium-hard","difficultyValue":2.229002},{"id":89866,"name":"Generate a point cloud","description":"Generate a point cloud.","problemsCount":10,"solvedCount":null,"percentageComplete":null,"url":"/matlabcentral/cody/matlabcentral/cody/groups/89866","image":"/responsive_image/200/150/0/0/0/cache/matlabcentral/cody/group/89866/show_image/1718008769.jpg","recentSolversCount":6,"difficultyRating":"medium-hard","difficultyValue":2.2556818},{"id":14128,"name":"Advanced Cryptography Algorithms and Mathematics","description":"","problemsCount":21,"solvedCount":null,"percentageComplete":null,"url":"/matlabcentral/cody/matlabcentral/cody/groups/14128","image":"/responsive_image/200/150/0/0/0/cache/matlabcentral/cody/group/14128/show_image/1611633986.jpg","recentSolversCount":1,"difficultyRating":"medium-hard","difficultyValue":2.2775018},{"id":97551,"name":"Water Pouring Series","description":"This is my first problem group so mistakes is unavoidable but hope you guys have a funny time then","problemsCount":10,"solvedCount":null,"percentageComplete":null,"url":"/matlabcentral/cody/matlabcentral/cody/groups/97551","image":"/responsive_image/200/150/0/0/0/cache/matlabcentral/cody/group/97551/show_image/1771527744.jpg","recentSolversCount":10,"difficultyRating":"medium-hard","difficultyValue":2.2833333},{"id":59027,"name":"Easy Sequences Volume VII","description":"Collection of math challenges. 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Not necessarily easy and not necessarily about sequences...","problemsCount":10,"solvedCount":null,"percentageComplete":null,"url":"/matlabcentral/cody/matlabcentral/cody/groups/36250","image":"/responsive_image/200/150/0/0/0/cache/matlabcentral/cody/group/36250/show_image/1641183310.jpg","recentSolversCount":4,"difficultyRating":"medium-hard","difficultyValue":2.4809523},{"id":57633,"name":"Easy Sequences Volume V:  Fibonacci Obsession","description":"Collection of math challenges. 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These concepts are fundamental in designing electrical systems such as mobile phones, electric vehicles, computers, and power grids.\nStudents will apply laws such as:\nOhm’s Law\nKirchhoff’s Laws\nPower and Energy relations\nSeries and Parallel resistance\nDrift velocity\nInternal resistance of cells\nEach problem is presented through real-world engineering stories to connect theory with practical applications.","problemsCount":10,"solvedCount":null,"percentageComplete":null,"url":"/matlabcentral/cody/matlabcentral/cody/groups/97529","image":"/responsive_image/200/150/0/0/0/cache/matlabcentral/cody/group/97529/show_image/1771218120.jpg","recentSolversCount":10,"difficultyRating":"unrated","difficultyValue":0},{"id":97530,"name":"Physics Set: Lagrangian Mechanics, Constraints, and Multi-Body Systems","description":"This level involves:\nCoupled motion\nConstraint equations\nEnergy methods\nPulley systems\nVariable acceleration\nRotational + translational coupling\nNon-trivial algebra\nMulti-step derivations","problemsCount":10,"solvedCount":null,"percentageComplete":null,"url":"/matlabcentral/cody/matlabcentral/cody/groups/97530","image":"/responsive_image/200/150/0/0/0/cache/matlabcentral/cody/group/97530/show_image/1771220454.jpg","recentSolversCount":9,"difficultyRating":"unrated","difficultyValue":0},{"id":97528,"name":"Physics Set : Work, Energy and Power","description":"This problem set is designed to help students understand and apply the fundamental principles of Work, Energy, and Power through real-world engineering scenarios and computational modeling using MATLAB.\nEnergy is one of the most important concepts in physics and engineering. It explains how objects move, machines operate, and systems perform tasks. This problem set focuses on how forces transfer energy, how energy is stored and converted, and how quickly work is performed.\nStudents will analyze physical systems such as cranes lifting loads, vehicles accelerating, elevators operating, roller coasters moving, and machines delivering power. Each problem requires students to apply physics formulas and implement them using MATLAB functions and test suites.","problemsCount":10,"solvedCount":null,"percentageComplete":null,"url":"/matlabcentral/cody/matlabcentral/cody/groups/97528","image":"/responsive_image/200/150/0/0/0/cache/matlabcentral/cody/group/97528/show_image/1771169224.jpg","recentSolversCount":8,"difficultyRating":"unrated","difficultyValue":0},{"id":97848,"name":"Automotive Steering Systems","description":"Explore a set of interesting and practical MATLAB problems inspired by real-world automotive steering systems. From Ackermann Steering Ratio  to EPS logic, oversteering and understeering, these challenges help you build strong engineering intuition and system-level thinking.\nDesigned to be engaging, hands-on, and progressive, this problem group is perfect for learners who enjoy applied physics, vehicle dynamics, and real-world problem solving. Whether you’re a student or an engineer, these interesting problems will sharpen your modeling, analytical, and control-system skills.","problemsCount":10,"solvedCount":null,"percentageComplete":null,"url":"/matlabcentral/cody/matlabcentral/cody/groups/97848","image":"/responsive_image/200/150/0/0/0/cache/matlabcentral/cody/group/97848/show_image/1777370321.jpg","recentSolversCount":3,"difficultyRating":"unrated","difficultyValue":0}]}