Cody Challenge

<div style = "text-align: start; line-height: normal; min-height: 0px; white-space: normal; color: rgb(0, 0, 0); font-family: Menlo, Monaco, Consolas, monospace; font-style: normal; font-size: 14px; font-weight: 400; text-decoration: none solid rgb(0, 0, 0); white-space: normal; "><div style="display: block; min-width: 0px; padding-top: 0px; perspective-origin: 289.5px 25.5px; transform-origin: 289.5px 25.5px; "><div style="font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-bottom: 9px; margin-left: 4px; margin-right: 10px; margin-top: 2px; text-align: left; white-space: pre-wrap; perspective-origin: 266.5px 10.5px; transform-origin: 266.5px 10.5px; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; "><span style="display: inline; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; "><span style="">Basic to advanced MATLAB problems created by the Cody Team at MathWorks.</span></span></div><div style="font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-bottom: 9px; margin-left: 4px; margin-right: 10px; margin-top: 2px; text-align: left; white-space: pre-wrap; perspective-origin: 266.5px 10.5px; transform-origin: 266.5px 10.5px; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; "><span style="display: inline; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 0px 0px; transform-origin: 0px 0px; "><span style="">A great starting place for new Cody players! </span></span></div></div></div>

Cody Challenge Master

+50 points

Problem Title	Likes	Solvers
Problem 72. Interpolator Created by: Cody Team Tags interpolation	10	2175
Problem 10. Determine whether a vector is monotonically increasing Created by: Cody Team Tags vectors, matlab 101	52	12488
Problem 71. Read a column of numbers and interpolate missing data Created by: Cody Team Tags data cleaning, average	14	1374
Problem 70. Alphabetize by last name Created by: Cody Team Tags regexp, sorting	9	1195
Problem 69. Find the peak 3n+1 sequence value Created by: Cody Team Tags 3n+1	9	1170
Problem 68. Kaprekar Steps Created by: Cody Team Tags matlab, lookup table, poor_problem_statement	15	1183
Problem 67. Find common elements in matrix rows Created by: Cody Team Tags matlab	10	1181
Problem 66. Find the two-word state names Created by: Cody Team Tags regexp, states	2	801
Problem 65. Word Counting and Indexing Created by: Cody Team Tags strings, poor_test_suite	4	650
Problem 64. The Goldbach Conjecture, Part 2 Created by: Cody Team Tags primes	12	1374
Problem 63. Encode Roman Numerals Created by: Cody Team Tags encoding, lookup table	1	805
Problem 62. Elapsed Time Created by: Cody Team Tags time	11	1871
Problem 61. Find state names that end with the letter A Created by: Cody Team Tags regexp, states	6	742
Problem 60. The Goldbach Conjecture Created by: Cody Team Tags primes	47	4728
Problem 59. Pattern matching Created by: Cody Team Tags indexing	8	1954
Problem 58. Tic Tac Toe FTW Created by: Cody Team Tags game, fun, tic tac toe	14	915
Problem 57. Summing Digits within Text Created by: Cody Team Tags strings	7	1406
Problem 56. Scrabble Scores Created by: Cody Team Tags strings, scrabble	6	1101
Problem 55. Counting Sequence Created by: Cody Team Tags encoding	9	966
Problem 54. Maximum running product for a string of numbers Created by: Cody Team Tags sequences, matlab, poor_test_suite	4	1257
Problem 53. Duplicates Created by: Cody Team Tags strings, sets, matlab	3	1181
Problem 52. What is the next step in Conway's Life? Created by: Cody Team Tags life, automata	20	752
Problem 51. Find the two most distant points Created by: Cody Team Tags distance	5	1813
Problem 50. QWERTY coordinates Created by: Cody Team Tags indexing	5	1370
Problem 96. Knight's Tour Checker Created by: Cody Team Tags matlab, chess	12	576
Problem 95. Given two strings, find the maximum overlap Created by: Cody Team Tags matlab	7	533
Problem 94. Target sorting Created by: Cody Team Tags sorting, matlab	21	3715
Problem 93. Calculate the Levenshtein distance between two strings Created by: Cody Team Tags matlab, string metric	12	566
Problem 92. Find state names that start with the letter N Created by: Cody Team Tags regexp, states	1	604
Problem 91. Get the area codes from a list of phone numbers Created by: Cody Team Tags regexp	1	547
Problem 90. Connect Four Win Checker Created by: Cody Team Tags matlab, game	13	581
Problem 89. Counting in Finnish Created by: Cody Team Tags strings, finnish	7	773
Problem 88. It dseon't mettar waht oedrr the lrettes in a wrod are. Created by: Cody Team Tags regexp, strings	7	672
Problem 87. Indexed Probability Table Created by: Cody Team Tags matlab	4	1522
Problem 86. Renaming a field in a structure array Created by: Cody Team Tags matlab	5	753
Problem 85. Remove the polynomials that have positive real elements of their roots. Created by: Cody Team Tags matlab	2	671
Problem 84. Longest Divisor Run Created by: Cody Team Tags matlab	4	563
Problem 83. Prime factor digits Created by: Cody Team Tags primes, poor_test_suite	12	860
Problem 82. Remove the small words from a list of words. Created by: Cody Team Tags matlab	3	688
Problem 81. Mandelbrot Numbers Created by: Cody Team Tags matlab, fractals	5	637
Problem 80. Test for balanced parentheses Created by: Cody Team Tags regexp, parens	8	1006
Problem 79. DNA N-Gram Distribution Created by: Cody Team Tags matlab	3	613
Problem 78. Implement a ROT13 cipher Created by: Cody Team Tags matlab, encoding, cipher	6	937
Problem 77. Clean the List of Names Created by: Cody Team Tags strings	1	850
Problem 76. De-dupe Created by: Cody Team Tags matlab	7	1907
Problem 75. Find the palindrome Created by: Cody Team Tags strings	4	727
Problem 74. Balanced number Created by: Cody Team Tags matlab	14	2204
Problem 73. Replace NaNs with the number that appears to its left in the row. Created by: Cody Team Tags matlab	11	2235
Problem 25. Remove any row in which a NaN appears Created by: Cody Team Tags matlab 101, siam	54	7647
Problem 24. Function Iterator Created by: Cody Team Tags anonymous functions, function handles, nested functions	43	1283
Problem 23. Finding Perfect Squares Created by: Cody Team Tags sets, poor_test_suite	56	10247
Problem 22. Remove the vowels Created by: Cody Team Tags regexp, siam	15	5070
Problem 21. Return the 3n+1 sequence for n Created by: Cody Team Tags 3n+1, sample	53	7070
Problem 20. Summing digits Created by: Cody Team Tags strings	22	6150
Problem 19. Swap the first and last columns Created by: Cody Team Tags math, matlab 101, permutations	43	12929
Problem 18. Bullseye Matrix Created by: Cody Team Tags matrices	69	4805
Problem 17. Find all elements less than 0 or greater than 10 and replace them with NaN Created by: Cody Team Tags data cleaning, basic matlab	41	15638
Problem 16. Return the largest number that is adjacent to a zero Created by: Cody Team Tags vectors	18	4118
Problem 15. Find the longest sequence of 1's in a binary sequence. Created by: Cody Team Tags regexp, diff, strings	35	3416
Problem 14. Find the numeric mean of the prime numbers in a matrix. Created by: Cody Team Tags easy, matrices	29	7424
Problem 13. Remove all the consonants Created by: Cody Team Tags regexp, basics	12	3304
Problem 12. Fibonacci sequence Created by: Cody Team Tags sequences, fibonacci, siam	58	11674
Problem 10. Determine whether a vector is monotonically increasing Created by: Cody Team Tags vectors, matlab 101	52	12488
Problem 9. Who Has the Most Change? Created by: Cody Team Tags indexing, notice the rignt sequence of money!, poor description	50	7794
Problem 8. Add two numbers Created by: Cody Team Tags matlab 101, basic matlab, basics	74	30564
Problem 6. Select every other element of a vector Created by: Cody Team Tags vectors, matlab 101, indexing	76	21585
Problem 5. Triangle Numbers Created by: Cody Team Tags math, triangle, nice	65	19263
Problem 4. Make a checkerboard matrix Created by: Cody Team Tags matrices, square	146	15186
Problem 3. Find the sum of all the numbers of the input vector Created by: Cody Team Tags matlab 101, easy, vector	70	34282
Problem 2. Make the vector [1 2 3 4 5 6 7 8 9 10] Created by: Cody Team Tags basic, basics, colon	91	43636
Problem 1. Times 2 - START HERE Created by: Cody Team Tags intro, math, easy	150	60152
Problem 49. Sums with Excluded Digits Created by: Cody Team Tags strings	9	1355
Problem 48. Making change Created by: Cody Team Tags money	12	2522
Problem 47. Extract leading non-zero digit Created by: Cody Team Tags math, maths, mathematics	1	1296
Problem 46. Which doors are open? Created by: Cody Team Tags matlab, iteration	18	2484
Problem 45. Make a Palindrome Number Created by: Cody Team Tags strings	11	1571
Problem 44. Trimming Spaces Created by: Cody Team Tags strings, whitespace	6	1533
Problem 43. Subset Sum Created by: Cody Team Tags matlab	14	1077
Problem 42. Find the alphabetic word product Created by: Cody Team Tags matlab	6	2601
Problem 41. Cell joiner Created by: Cody Team Tags strings, matlab	12	3042
Problem 40. Reverse Run-Length Encoder Created by: Cody Team Tags encoding	9	1796
Problem 39. Which values occur exactly three times? Created by: Cody Team Tags search	13	4299
Problem 38. Return a list sorted by number of occurrences Created by: Cody Team Tags vectors, sorting	7	1615
Problem 37. Pascal's Triangle Created by: Cody Team Tags math, combinatorics	14	3282
Problem 36. Find relatively common elements in matrix rows Created by: Cody Team Tags matlab	4	917
Problem 35. Quote Doubler Created by: Cody Team Tags regexp, strings, quotes	6	1913
Problem 34. Binary numbers Created by: Cody Team Tags matlab	21	2626
Problem 33. Create times-tables Created by: Cody Team Tags matrices	45	10582
Problem 32. Most nonzero elements in row Created by: Cody Team Tags matrices	27	6616
Problem 31. Remove all the words that end with "ain" Created by: Cody Team Tags matlab 101, regexp, strings	14	1378
Problem 30. Sort a list of complex numbers based on far they are from the origin. Created by: Cody Team Tags sorting, basic matlab	17	4782
Problem 29. Nearest Numbers Created by: Cody Team Tags vectors, distance	27	3680
Problem 28. Counting Money Created by: Cody Team Tags regexp, strings	8	2626
Problem 27. Pangrams! Created by: Cody Team Tags strings	22	2716
Problem 26. Determine if input is odd Created by: Cody Team Tags easy, basic matlab, why matlab	91	23391

Recent Group Finishers224

Recent Activity

	Sachin Singh submitted Solution 2814553 to Problem 17. Find all elements less than 0 or greater than 10 and replace them with NaN 39 minutes ago
	Sachin Singh submitted Solution 2814496 to Problem 16. Return the largest number that is adjacent to a zero 52 minutes ago
	Brian Flores submitted Solution 2814349 to Problem 5. Triangle Numbers 1 hour and 47 minutes ago
	Brian Flores submitted Solution 2814247 to Problem 4. Make a checkerboard matrix 3 hours and 28 minutes ago
	Brian Flores submitted Solution 2814085 to Problem 3. Find the sum of all the numbers of the input vector 4 hours and 52 minutes ago