Cody

# Problems

1 – 50 of 94
 Problem Title Likes Solvers

#### Problem 1. Times 2 - START HERE

Created by: Cody Team

Tags intro, math, basics

126

40707

#### Problem 2. Make the vector [1 2 3 4 5 6 7 8 9 10]

Created by: Cody Team

Tags basic, colon, x=1:10

87

31003

#### Problem 3. Find the sum of all the numbers of the input vector

Created by: Cody Team

64

27234

#### Problem 8. Add two numbers

Created by: Cody Team

64

24113

#### Problem 26. Determine if input is odd

Created by: Cody Team

90

17699

#### Problem 6. Select every other element of a vector

Created by: Cody Team

71

17163

#### Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle

61

14899

#### Problem 17. Find all elements less than 0 or greater than 10 and replace them with NaN

Created by: Cody Team

36

11951

#### Problem 4. Make a checkerboard matrix

Created by: Cody Team

144

11189

#### Problem 19. Swap the first and last columns

Created by: Cody Team

39

10346

#### Problem 10. Determine whether a vector is monotonically increasing

Created by: Cody Team

47

9710

#### Problem 12. Fibonacci sequence

Created by: Cody Team

57

8736

#### Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

40

8033

#### Problem 23. Finding Perfect Squares

Created by: Cody Team

51

7687

#### Problem 25. Remove any row in which a NaN appears

Created by: Cody Team

54

6188

#### Problem 14. Find the numeric mean of the prime numbers in a matrix.

Created by: Cody Team

Tags easy, matrices

28

6143

#### Problem 9. Who Has the Most Change?

Created by: Cody Team

48

5977

#### Problem 21. Return the 3n+1 sequence for n

Created by: Cody Team

Tags 3n+1, sample

52

5465

#### Problem 32. Most nonzero elements in row

Created by: Cody Team

Tags matrices

27

5316

#### Problem 20. Summing digits

Created by: Cody Team

Tags strings

21

5052

#### Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

14

4056

#### Problem 30. Sort a list of complex numbers based on far they are from the origin.

Created by: Cody Team

17

3912

#### Problem 18. Bullseye Matrix

Created by: Cody Team

Tags matrices

65

3575

#### Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

46

3434

#### Problem 39. Which values occur exactly three times?

Created by: Cody Team

Tags search

12

3400

#### Problem 16. Return the largest number that is adjacent to a zero

Created by: Cody Team

Tags vectors

16

3251

#### Problem 94. Target sorting

Created by: Cody Team

Tags matlab, sorting

20

3047

#### Problem 29. Nearest Numbers

Created by: Cody Team

27

2841

#### Problem 13. Remove all the consonants

Created by: Cody Team

Tags regexp, basics

9

2649

#### Problem 37. Pascal's Triangle

Created by: Cody Team

14

2599

#### Problem 15. Find the longest sequence of 1's in a binary sequence.

Created by: Cody Team

33

2593

#### Problem 41. Cell joiner

Created by: Cody Team

Tags matlab, strings

10

2338

#### Problem 27. Pangrams!

Created by: Cody Team

Tags strings

22

2064

#### Problem 42. Find the alphabetic word product

Created by: Cody Team

Tags matlab

5

2061

#### Problem 28. Counting Money

Created by: Cody Team

Tags regexp, strings

8

2023

#### Problem 34. Binary numbers

Created by: Cody Team

Tags matlab

20

2002

#### Problem 46. Which doors are open?

Created by: Cody Team

17

1857

#### Problem 73. Replace NaNs with the number that appears to its left in the row.

Created by: Cody Team

Tags matlab

11

1778

#### Problem 48. Making change

Created by: Cody Team

Tags money

11

1729

#### Problem 74. Balanced number

Created by: Cody Team

Tags matlab

14

1641

#### Problem 35. Quote Doubler

Created by: Cody Team

6

1595

#### Problem 76. De-dupe

Created by: Cody Team

Tags matlab

7

1573

#### Problem 72. Interpolator

Created by: Cody Team

9

1495

#### Problem 62. Elapsed Time

Created by: Cody Team

Tags time

11

1475

#### Problem 40. Reverse Run-Length Encoder

Created by: Cody Team

Tags encoding

8

1366

#### Problem 51. Find the two most distant points

Created by: Cody Team

Tags distance

5

1320

#### Problem 38. Return a list sorted by number of occurrences

Created by: Cody Team

7

1282

#### Problem 59. Pattern matching

Created by: Cody Team

Tags indexing

8

1240

#### Problem 44. Trimming Spaces

Created by: Cody Team

5

1209

#### Problem 45. Make a Palindrome Number

Created by: Cody Team

Tags strings

10

1183

1 – 50 of 94