Cody

# Problems

1 – 50 of 3,693
 Problem Title Likes Solvers

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

Created by: Cody Team

Tags intro, math, easy

136

56487

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

Created by: Cody Team

Tags basic, basics, colon

90

42611

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

Created by: Cody Team

68

33279

#### Problem 8. Add two numbers

Created by: Cody Team

69

29666

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

Created by: Cody Team

90

23027

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

Created by: Cody Team

73

20919

#### Problem 167. Pizza!

Created by: the cyclist

Tags fun, pizza, good

228

19497

#### Problem 7. Column Removal

Created by: Cody Team

65

18837

#### Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle, nice

64

18713

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

Created by: the cyclist

Tags easy, silly, fun

202

17142

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

Created by: Cody Team

38

15368

#### Problem 4. Make a checkerboard matrix

Created by: Cody Team

145

14892

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

Created by: Cody Team

39

12512

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

Created by: Cody Team

50

12019

#### Problem 12. Fibonacci sequence

Created by: Cody Team

58

11382

#### Problem 23. Finding Perfect Squares

Created by: Cody Team

54

9739

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

Created by: Dimitris Kaliakmanis

26

8688

#### Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

41

8312

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

Created by: Cody Team

48

7571

Created by: Will

23

7417

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

Created by: Cody Team

Tags easy, matrices

28

7207

#### Problem 11. Back and Forth Rows

Created by: Cody Team

Tags matrices

48

6883

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

Created by: Cody Team

Tags 3n+1, sample

52

6853

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

Created by: Cody Team

Tags matrices

27

6415

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

Created by: Cody Team

54

6319

#### Problem 20. Summing digits

Created by: Cody Team

Tags strings

22

5959

#### Problem 233. Reverse the vector

Created by: Vishwanathan Iyer

8

5506

#### Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

14

4882

#### Problem 18. Bullseye Matrix

Created by: Cody Team

Tags matrices

67

4613

#### Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

46

4565

#### Problem 2015. Length of the hypotenuse

Created by: Tanya Morton

10

4212

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

Created by: Cody Team

17

3995

#### Problem 44943. Calculate Amount of Cake Frosting

Created by: Pooja Lalan

7

3986

#### Problem 109. Check if sorted

Created by: AMITAVA BISWAS

12

3753

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

Created by: Nichlas

13

3558

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

Created by: matlab.zyante.com

Tags easy, basics, salary

13

3542

6

3540

#### Problem 29. Nearest Numbers

Created by: Cody Team

27

3525

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

Created by: Cody Team

Tags search

13

3492

#### Problem 44944. Convert from Fahrenheit to Celsius

Created by: Pooja Lalan

4

3422

#### Problem 262. Swap the input arguments

Created by: Steve Eddins

10

3391

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

Created by: Cody Team

Tags vectors

16

3373

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

Created by: the cyclist

39

3348

#### Problem 1545. Return area of square

Created by: Marek Kuklis

11

3332

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

Created by: Cody Team

34

3203

#### Problem 13. Remove all the consonants

Created by: Cody Team

Tags regexp, basics

10

3168

#### Problem 37. Pascal's Triangle

Created by: Cody Team

14

3134

#### Problem 94. Target sorting

Created by: Cody Team

Tags sorting, matlab

20

3112

#### Problem 247. Arrange Vector in descending order

Created by: Vishwanathan Iyer

7

2844

#### Problem 41. Cell joiner

Created by: Cody Team

Tags strings, matlab

11

2838

1 – 50 of 3,693