Cody

Problems

1 – 50 of 94
 Problem Title Likes Solvers Difficulty

Problem 8. Add two numbers

Created by: Cody Team

164

31484

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

Created by: Cody Team

Tags basic, test, basics

154

39474

Problem 1. Times 2 - START HERE

Created by: Cody Team

Tags intro, math, easy

557

66280

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

Created by: Cody Team

161

36195

Problem 26. Determine if input is odd

Created by: Cody Team

108

20487

Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle, nice

99

20039

Problem 6. Select every other element of a vector

Created by: Cody Team

132

23477

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

Created by: Cody Team

58

13867

Problem 76. De-dupe

Created by: Cody Team

Tags matlab

10

2036

Problem 35. Quote Doubler

Created by: Cody Team

8

2057

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

Created by: Cody Team

22

4639

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

Created by: Cody Team

Tags easy, matrices

40

7364

Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

78

11629

Problem 41. Cell joiner

Created by: Cody Team

Tags strings, matlab

27

3754

Problem 19. Swap the first and last columns

Created by: Cody Team

76

14462

Problem 12. Fibonacci sequence

Created by: Cody Team

89

10766

Problem 32. Most nonzero elements in row

Created by: Cody Team

Tags matrices

34

6231

Problem 20. Summing digits

Created by: Cody Team

Tags strings, sum

32

6241

Problem 72. Interpolator

Created by: Cody Team

26

2519

Problem 62. Elapsed Time

Created by: Cody Team

Tags time

13

1986

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

Created by: Cody Team

Tags 3n+1, sample

71

6723

Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

22

4993

Problem 9. Who Has the Most Change?

Created by: Cody Team

69

7346

Problem 50. QWERTY coordinates

Created by: Cody Team

Tags indexing

14

1568

Problem 66. Find the two-word state names

Created by: Cody Team

Tags regexp, states

3

873

Problem 10. Determine whether a vector is monotonically increasing

Created by: Cody Team

91

14062

Problem 25. Remove any row in which a NaN appears

Created by: Cody Team

67

7309

Problem 44. Trimming Spaces

Created by: Cody Team

8

1625

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

Created by: Cody Team

Tags matlab

15

2231

Problem 40. Reverse Run-Length Encoder

Created by: Cody Team

Tags encoding

13

1797

Problem 87. Indexed Probability Table

Created by: Cody Team

Tags matlab

6

1554

Problem 42. Find the alphabetic word product

Created by: Cody Team

Tags matlab

9

2529

Problem 77. Clean the List of Names

Created by: Cody Team

Tags strings

2

1007

Problem 28. Counting Money

Created by: Cody Team

Tags regexp, strings

12

2684

Problem 46. Which doors are open?

Created by: Cody Team

23

2416

Problem 39. Which values occur exactly three times?

Created by: Cody Team

Tags search

19

4163

Problem 4. Make a checkerboard matrix

Created by: Cody Team

177

13480

Problem 94. Target sorting

Created by: Cody Team

Tags sorting, matlab

25

3630

Problem 57. Summing Digits within Text

Created by: Cody Team

Tags strings

9

1571

Problem 80. Test for balanced parentheses

Created by: Cody Team

Tags regexp, parens

8

946

Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

54

4316

Problem 49. Sums with Excluded Digits

Created by: Cody Team

Tags strings

11

1424

Problem 74. Balanced number

Created by: Cody Team

Tags matlab

18

2125

Problem 64. The Goldbach Conjecture, Part 2

Created by: Cody Team

Tags primes

14

1530

Problem 53. Duplicates

Created by: Cody Team

4

1422

Problem 86. Renaming a field in a structure array

Created by: Cody Team

Tags matlab

7

875

Problem 85. Remove the polynomials that have positive real elements of their roots.

Created by: Cody Team

Tags matlab

2

828

Problem 37. Pascal's Triangle

Created by: Cody Team

20

3258

Problem 47. Extract leading non-zero digit

Created by: Cody Team

4

1378

Problem 27. Pangrams!

Created by: Cody Team

Tags strings

29

2806

1 – 50 of 94