Cody

Problems

1 – 50 of 82
Problem Title
Likes
Solvers
Difficulty

Problem 26. Determine if input is odd

Created by: Cody Team

Tags easy, basic matlab, why matlab

107

20347

Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle, nice

95

19654

Problem 6. Select every other element of a vector

Created by: Cody Team

Tags vectors, matlab 101, indexing

124

22999

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

58

13772

Problem 76. De-dupe

Created by: Cody Team

Tags matlab

10

1988

Problem 35. Quote Doubler

Created by: Cody Team

Tags regexp, strings, quotes

8

2005

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

Created by: Cody Team

Tags sorting, basic matlab

22

4581

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

Created by: Cody Team

Tags easy, matrices

40

7268

Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

75

11317

Problem 41. Cell joiner

Created by: Cody Team

Tags strings, matlab

27

3639

Problem 19. Swap the first and last columns

Created by: Cody Team

Tags math, matlab 101, permutations

71

14128

Problem 32. Most nonzero elements in row

Created by: Cody Team

Tags matrices

33

6172

Problem 12. Fibonacci sequence

Created by: Cody Team

Tags sequences, fibonacci, siam

86

10640

Problem 62. Elapsed Time

Created by: Cody Team

Tags time

13

1938

Problem 72. Interpolator

Created by: Cody Team

Tags interpolation

23

2424

Problem 20. Summing digits

Created by: Cody Team

Tags strings, sum

32

6161

Problem 66. Find the two-word state names

Created by: Cody Team

Tags regexp, states

3

842

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

Created by: Cody Team

Tags 3n+1, sample

71

6650

Problem 10. Determine whether a vector is monotonically increasing

Created by: Cody Team

Tags vectors, matlab 101

87

13719

Problem 50. QWERTY coordinates

Created by: Cody Team

Tags indexing

13

1503

Problem 9. Who Has the Most Change?

Created by: Cody Team

Tags indexing, notice the rignt sequence of money!, poor description

68

7270

Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

22

4936

Problem 44. Trimming Spaces

Created by: Cody Team

Tags strings, whitespace

8

1580

Problem 40. Reverse Run-Length Encoder

Created by: Cody Team

Tags encoding

13

1750

Problem 25. Remove any row in which a NaN appears

Created by: Cody Team

Tags matlab 101, siam

67

7244

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

Created by: Cody Team

Tags matlab

15

2190

Problem 42. Find the alphabetic word product

Created by: Cody Team

Tags matlab

8

2482

Problem 87. Indexed Probability Table

Created by: Cody Team

Tags matlab

6

1512

Problem 28. Counting Money

Created by: Cody Team

Tags regexp, strings

12

2612

Problem 77. Clean the List of Names

Created by: Cody Team

Tags strings

2

968

Problem 57. Summing Digits within Text

Created by: Cody Team

Tags strings

8

1521

Problem 4. Make a checkerboard matrix

Created by: Cody Team

Tags matrices, square

176

13344

Problem 39. Which values occur exactly three times?

Created by: Cody Team

Tags search

19

4089

Problem 46. Which doors are open?

Created by: Cody Team

Tags matlab, iteration

23

2352

Problem 94. Target sorting

Created by: Cody Team

Tags sorting, matlab

25

3587

Problem 49. Sums with Excluded Digits

Created by: Cody Team

Tags strings

11

1377

Problem 80. Test for balanced parentheses

Created by: Cody Team

Tags regexp, parens

8

929

Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

54

4262

Problem 64. The Goldbach Conjecture, Part 2

Created by: Cody Team

Tags primes

13

1478

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

Created by: Cody Team

Tags matlab

2

780

Problem 74. Balanced number

Created by: Cody Team

Tags matlab

18

2077

Problem 45. Make a Palindrome Number

Created by: Cody Team

Tags strings

17

1552

Problem 37. Pascal's Triangle

Created by: Cody Team

Tags math, combinatorics

19

3206

Problem 86. Renaming a field in a structure array

Created by: Cody Team

Tags matlab

7

837

Problem 53. Duplicates

Created by: Cody Team

Tags strings, sets, matlab

4

1370

Problem 51. Find the two most distant points

Created by: Cody Team

Tags distance

7

1830

Problem 47. Extract leading non-zero digit

Created by: Cody Team

Tags math, maths, mathematics

4

1333

Problem 27. Pangrams!

Created by: Cody Team

Tags strings

29

2749

Problem 56. Scrabble Scores

Created by: Cody Team

Tags strings, scrabble

8

1139

Problem 54. Maximum running product for a string of numbers

Created by: Cody Team

Tags sequences, matlab, poor_test_suite

5

1286
1 – 50 of 82