Cody

# Problems

1 – 50 of 94
 Problem Title Likes Solvers Difficulty

#### Problem 8. Add two numbers

Created by: Cody Team

143

30319

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

Created by: Cody Team

Tags basic, basics, colon

144

38291

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

Created by: Cody Team

Tags intro, math, easy

443

61508

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

Created by: Cody Team

144

34767

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

Created by: Cody Team

106

20214

#### Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle, nice

94

19164

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

Created by: Cody Team

121

22410

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

Created by: Cody Team

58

13675

#### Problem 76. De-dupe

Created by: Cody Team

Tags matlab

10

1955

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

Created by: Cody Team

21

4533

#### Problem 35. Quote Doubler

Created by: Cody Team

8

1971

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

Created by: Cody Team

Tags easy, matrices

40

7185

#### Problem 41. Cell joiner

Created by: Cody Team

Tags strings, matlab

25

3534

#### Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

72

10988

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

Created by: Cody Team

68

13761

#### Problem 62. Elapsed Time

Created by: Cody Team

Tags time

13

1900

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

Created by: Cody Team

Tags matrices

33

6115

#### Problem 12. Fibonacci sequence

Created by: Cody Team

84

10508

#### Problem 72. Interpolator

Created by: Cody Team

22

2323

#### Problem 20. Summing digits

Created by: Cody Team

Tags strings, sum

31

6079

#### Problem 66. Find the two-word state names

Created by: Cody Team

Tags regexp, states

2

823

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

Created by: Cody Team

Tags 3n+1, sample

70

6564

#### Problem 50. QWERTY coordinates

Created by: Cody Team

Tags indexing

8

1441

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

Created by: Cody Team

68

7153

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

Created by: Cody Team

85

13314

#### Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

22

4882

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

Created by: Cody Team

67

7186

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

Created by: Cody Team

Tags matlab

15

2165

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

Created by: Cody Team

Tags encoding

13

1726

#### Problem 44. Trimming Spaces

Created by: Cody Team

8

1557

#### Problem 28. Counting Money

Created by: Cody Team

Tags regexp, strings

12

2574

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

Created by: Cody Team

Tags matlab

8

2462

#### Problem 77. Clean the List of Names

Created by: Cody Team

Tags strings

2

949

#### Problem 87. Indexed Probability Table

Created by: Cody Team

Tags matlab

5

1493

#### Problem 57. Summing Digits within Text

Created by: Cody Team

Tags strings

8

1496

#### Problem 4. Make a checkerboard matrix

Created by: Cody Team

171

13137

#### Problem 80. Test for balanced parentheses

Created by: Cody Team

Tags regexp, parens

8

916

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

Created by: Cody Team

Tags search

19

4046

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

Created by: Cody Team

23

2328

#### Problem 94. Target sorting

Created by: Cody Team

Tags sorting, matlab

24

3560

#### Problem 49. Sums with Excluded Digits

Created by: Cody Team

Tags strings

11

1353

#### Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

53

4141

#### Problem 74. Balanced number

Created by: Cody Team

Tags matlab

17

2056

#### Problem 64. The Goldbach Conjecture, Part 2

Created by: Cody Team

Tags primes

12

1450

#### Problem 37. Pascal's Triangle

Created by: Cody Team

19

3174

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

Created by: Cody Team

Tags matlab

2

731

#### Problem 53. Duplicates

Created by: Cody Team

4

1341

#### Problem 27. Pangrams!

Created by: Cody Team

Tags strings

28

2691

#### Problem 13. Remove all the consonants

Created by: Cody Team

Tags regexp, basics

19

3261

#### Problem 82. Remove the small words from a list of words.

Created by: Cody Team

Tags matlab

3

776

1 – 50 of 94