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	2173
Problem 10. Determine whether a vector is monotonically increasing Created by: Cody Team Tags vectors, matlab 101	52	12479
Problem 71. Read a column of numbers and interpolate missing data Created by: Cody Team Tags data cleaning, average	14	1373
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	1180
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	1373
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	1870
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	4726
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	1405
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	1179
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	3714
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	858
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	7639
Problem 24. Function Iterator Created by: Cody Team Tags anonymous functions, function handles, nested functions	43	1282
Problem 23. Finding Perfect Squares Created by: Cody Team Tags sets, poor_test_suite	56	10226
Problem 22. Remove the vowels Created by: Cody Team Tags regexp, siam	15	5061
Problem 21. Return the 3n+1 sequence for n Created by: Cody Team Tags 3n+1, sample	53	7065
Problem 20. Summing digits Created by: Cody Team Tags strings	22	6146
Problem 19. Swap the first and last columns Created by: Cody Team Tags math, matlab 101, permutations	42	12921
Problem 18. Bullseye Matrix Created by: Cody Team Tags matrices	68	4802
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	15635
Problem 16. Return the largest number that is adjacent to a zero Created by: Cody Team Tags vectors	17	4114
Problem 15. Find the longest sequence of 1's in a binary sequence. Created by: Cody Team Tags regexp, diff, strings	35	3410
Problem 14. Find the numeric mean of the prime numbers in a matrix. Created by: Cody Team Tags easy, matrices	29	7420
Problem 13. Remove all the consonants Created by: Cody Team Tags regexp, basics	12	3301
Problem 12. Fibonacci sequence Created by: Cody Team Tags sequences, fibonacci, siam	58	11668
Problem 10. Determine whether a vector is monotonically increasing Created by: Cody Team Tags vectors, matlab 101	52	12479
Problem 9. Who Has the Most Change? Created by: Cody Team Tags indexing, notice the rignt sequence of money!, poor description	50	7791
Problem 8. Add two numbers Created by: Cody Team Tags matlab 101, basic matlab, basics	74	30541
Problem 6. Select every other element of a vector Created by: Cody Team Tags vectors, matlab 101, indexing	76	21564
Problem 5. Triangle Numbers Created by: Cody Team Tags math, triangle, nice	65	19249
Problem 4. Make a checkerboard matrix Created by: Cody Team Tags matrices, square	146	15179
Problem 3. Find the sum of all the numbers of the input vector Created by: Cody Team Tags matlab 101, easy, vector	70	34256
Problem 2. Make the vector [1 2 3 4 5 6 7 8 9 10] Created by: Cody Team Tags basic, basics, colon	91	43596
Problem 1. Times 2 - START HERE Created by: Cody Team Tags intro, math, easy	150	60014
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	2521
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	2600
Problem 41. Cell joiner Created by: Cody Team Tags strings, matlab	12	3040
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	4297
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	3280
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	2624
Problem 33. Create times-tables Created by: Cody Team Tags matrices	44	10569
Problem 32. Most nonzero elements in row Created by: Cody Team Tags matrices	27	6608
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	4781
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	2713
Problem 26. Determine if input is odd Created by: Cody Team Tags easy, basic matlab, why matlab	91	23381

Recent Group Finishers224

Recent Activity

	Sachin Singh submitted Solution 2796760 to Problem 14. Find the numeric mean of the prime numbers in a matrix. 8 hours and 1 minute ago
	Nanfei Cheng submitted Solution 2796391 to Problem 17. Find all elements less than 0 or greater than 10 and replace them with NaN 9 hours and 30 minutes ago
	Nanfei Cheng submitted Solution 2796385 to Problem 17. Find all elements less than 0 or greater than 10 and replace them with NaN 9 hours and 31 minutes ago
	Nadee Seneviratne submitted Solution 2794819 to Problem 72. Interpolator 12 hours and 40 minutes ago
	Nanfei Cheng submitted Solution 2794228 to Problem 14. Find the numeric mean of the prime numbers in a matrix. 13 hours and 42 minutes ago