Cody

# Problems

1 – 50 of 3,526
 Problem Title Likes Solvers

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

Created by: Cody Team

Tags intro, math, basics

121

38517

#### 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

82

30248

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

Created by: Cody Team

63

26492

#### Problem 8. Add two numbers

Created by: Cody Team

63

23574

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

Created by: Cody Team

90

17465

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

Created by: Cody Team

67

16741

#### Problem 167. Pizza!

Created by: the cyclist

Tags pizza, fun

220

15251

#### Problem 7. Column Removal

Created by: Cody Team

60

14657

#### Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle

58

14566

#### Problem 149. Is my wife right?

Created by: the cyclist

Tags fun, stupid, silly

195

14039

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

Created by: Cody Team

35

11784

#### Problem 4. Make a checkerboard matrix

Created by: Cody Team

143

10972

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

Created by: Cody Team

38

10149

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

Created by: Cody Team

47

9513

#### Problem 12. Fibonacci sequence

Created by: Cody Team

56

8579

#### Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

39

7881

#### Problem 23. Finding Perfect Squares

Created by: Cody Team

49

7505

#### Problem 189. Sum all integers from 1 to 2^n

Created by: Dimitris Kaliakmanis

23

6554

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

Created by: Cody Team

54

6124

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

Created by: Cody Team

Tags easy, matrices

28

6073

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

Created by: Cody Team

47

5868

Created by: Will

22

5843

#### Problem 11. Back and Forth Rows

Created by: Cody Team

Tags matrices

48

5479

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

Created by: Cody Team

Tags 3n+1, sample

51

5366

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

Created by: Cody Team

Tags matrices

27

5250

#### Problem 20. Summing digits

Created by: Cody Team

Tags strings

21

4984

#### Problem 233. Reverse the vector

Created by: Vishwanathan Iyer

8

4332

#### Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

14

3992

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

Created by: Cody Team

17

3857

#### Problem 109. Check if sorted

Created by: AMITAVA BISWAS

12

3699

#### Problem 18. Bullseye Matrix

Created by: Cody Team

Tags matrices

64

3507

#### Problem 1658. Simple equation: Annual salary

Created by: matlab.zyante.com

Tags easy, salary, zyante

13

3484

#### Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

46

3391

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

Created by: Cody Team

Tags search

12

3357

#### Problem 2015. Length of the hypotenuse

Created by: Tanya Morton

9

3236

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

Created by: Cody Team

Tags vectors

16

3193

#### Problem 94. Target sorting

Created by: Cody Team

Tags matlab, sorting

20

3013

#### Problem 29. Nearest Numbers

Created by: Cody Team

27

2798

#### Problem 157. The Hitchhiker's Guide to MATLAB

Created by: the cyclist

39

2724

#### Problem 262. Swap the input arguments

Created by: Steve Eddins

10

2656

#### Problem 13. Remove all the consonants

Created by: Cody Team

Tags regexp, basics

9

2605

#### Problem 37. Pascal's Triangle

Created by: Cody Team

14

2555

#### Problem 838. Check if number exists in vector

Created by: Nichlas

11

2531

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

Created by: Cody Team

33

2526

4

2417

#### Problem 174. Roll the Dice!

Created by: @bmtran (Bryant Tran)

13

2407

#### Problem 1545. Return area of square

Created by: Marek Kuklis

9

2369

#### Problem 105. How to find the position of an element in a vector without using the find function

Created by: Chelsea

Tags find, indexing

7

2348

#### Problem 41. Cell joiner

Created by: Cody Team

Tags matlab, strings

10

2282

#### Problem 115. Distance walked 1D

Created by: AMITAVA BISWAS

14

2138

1 – 50 of 3,526