Cody

Problems

1 – 50 of 94
Problem Title
Likes
Solvers
Difficulty

Problem 1. Times 2 - START HERE

Created by: Cody Team

Tags intro, math, easy

361

58214

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

Created by: Cody Team

Tags basic, basics, colon

138

37082

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

Created by: Cody Team

Tags matlab 101, easy, vector

132

33499

Problem 8. Add two numbers

Created by: Cody Team

Tags matlab 101, basic matlab, basics

133

29261

Problem 6. Select every other element of a vector

Created by: Cody Team

Tags vectors, matlab 101, indexing

112

21503

Problem 26. Determine if input is odd

Created by: Cody Team

Tags easy, basic matlab, why matlab

106

19733

Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle, nice

91

18401

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

57

13294

Problem 19. Swap the first and last columns

Created by: Cody Team

Tags math, matlab 101, permutations

65

13118

Problem 4. Make a checkerboard matrix

Created by: Cody Team

Tags matrices, square

170

12693

Problem 10. Determine whether a vector is monotonically increasing

Created by: Cody Team

Tags vectors, matlab 101

79

12635

Problem 23. Finding Perfect Squares

Created by: Cody Team

Tags sets, poor_test_suite

97

10555

Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

67

10450

Problem 12. Fibonacci sequence

Created by: Cody Team

Tags sequences, fibonacci, siam

80

10127

Problem 25. Remove any row in which a NaN appears

Created by: Cody Team

Tags matlab 101, siam

66

6953

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

Created by: Cody Team

Tags easy, matrices

38

6925

Problem 9. Who Has the Most Change?

Created by: Cody Team

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

63

6871

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

Created by: Cody Team

Tags 3n+1, sample

66

6311

Problem 32. Most nonzero elements in row

Created by: Cody Team

Tags matrices

32

5935

Problem 20. Summing digits

Created by: Cody Team

Tags strings, sum

30

5839

Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

22

4683

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

Created by: Cody Team

Tags sorting, basic matlab

20

4397

Problem 18. Bullseye Matrix

Created by: Cody Team

Tags matrices

79

4200

Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

53

3968

Problem 39. Which values occur exactly three times?

Created by: Cody Team

Tags search

18

3894

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

Created by: Cody Team

Tags vectors

23

3841

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

Created by: Cody Team

Tags regexp, diff, strings

55

3537

Problem 94. Target sorting

Created by: Cody Team

Tags sorting, matlab

23

3433

Problem 29. Nearest Numbers

Created by: Cody Team

Tags vectors, distance

32

3298

Problem 41. Cell joiner

Created by: Cody Team

Tags strings, matlab

23

3263

Problem 13. Remove all the consonants

Created by: Cody Team

Tags regexp, basics

17

3139

Problem 37. Pascal's Triangle

Created by: Cody Team

Tags math, combinatorics

17

3042

Problem 34. Binary numbers

Created by: Cody Team

Tags matlab

32

2582

Problem 27. Pangrams!

Created by: Cody Team

Tags strings

26

2563

Problem 28. Counting Money

Created by: Cody Team

Tags regexp, strings

11

2461

Problem 42. Find the alphabetic word product

Created by: Cody Team

Tags matlab

7

2363

Problem 48. Making change

Created by: Cody Team

Tags money

14

2246

Problem 46. Which doors are open?

Created by: Cody Team

Tags matlab, iteration

22

2229

Problem 72. Interpolator

Created by: Cody Team

Tags interpolation

19

2093

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

Created by: Cody Team

Tags matlab

14

2064

Problem 74. Balanced number

Created by: Cody Team

Tags matlab

16

1950

Problem 35. Quote Doubler

Created by: Cody Team

Tags regexp, strings, quotes

6

1871

Problem 76. De-dupe

Created by: Cody Team

Tags matlab

10

1841

Problem 62. Elapsed Time

Created by: Cody Team

Tags time

12

1772

Problem 51. Find the two most distant points

Created by: Cody Team

Tags distance

7

1683

Problem 40. Reverse Run-Length Encoder

Created by: Cody Team

Tags encoding

12

1643

Problem 59. Pattern matching

Created by: Cody Team

Tags indexing

10

1638

Problem 38. Return a list sorted by number of occurrences

Created by: Cody Team

Tags vectors, sorting

9

1552

Problem 44. Trimming Spaces

Created by: Cody Team

Tags strings, whitespace

8

1458

Problem 45. Make a Palindrome Number

Created by: Cody Team

Tags strings

15

1442
1 – 50 of 94