Cody

Problems

1 – 50 of 94
Problem Title
Likes
Solvers
Difficulty

Problem 8. Add two numbers

Created by: Cody Team

Tags matlab 101, basic matlab, basics

179

33150

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

Created by: Cody Team

Tags basic, test, basics

169

41113

Problem 1. Times 2 - START HERE

Created by: Cody Team

Tags intro, math, easy

720

72132

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

Created by: Cody Team

Tags matlab 101, easy, vector

178

38164

Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle, nice

107

21409

Problem 26. Determine if input is odd

Created by: Cody Team

Tags easy, basic matlab, why matlab

114

20961

Problem 6. Select every other element of a vector

Created by: Cody Team

Tags vectors, matlab 101, indexing

143

25104

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

61

14176

Problem 76. De-dupe

Created by: Cody Team

Tags matlab

11

2226

Problem 35. Quote Doubler

Created by: Cody Team

Tags regexp, strings, quotes

9

2224

Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

83

12599

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

Created by: Cody Team

Tags easy, matrices

42

7650

Problem 19. Swap the first and last columns

Created by: Cody Team

Tags math, matlab 101, permutations

83

15507

Problem 41. Cell joiner

Created by: Cody Team

Tags strings, matlab

28

4177

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

Created by: Cody Team

Tags sorting, basic matlab

23

4827

Problem 12. Fibonacci sequence

Created by: Cody Team

Tags sequences, fibonacci, siam

93

11313

Problem 20. Summing digits

Created by: Cody Team

Tags strings, sum

32

6498

Problem 32. Most nonzero elements in row

Created by: Cody Team

Tags matrices

36

6419

Problem 72. Interpolator

Created by: Cody Team

Tags interpolation

32

2857

Problem 9. Who Has the Most Change?

Created by: Cody Team

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

70

7655

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

Created by: Cody Team

Tags 3n+1, sample

73

6977

Problem 10. Determine whether a vector is monotonically increasing

Created by: Cody Team

Tags vectors, matlab 101

105

15221

Problem 25. Remove any row in which a NaN appears

Created by: Cody Team

Tags matlab 101, siam

70

7568

Problem 4. Make a checkerboard matrix

Created by: Cody Team

Tags matrices, square

183

13943

Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

23

5290

Problem 62. Elapsed Time

Created by: Cody Team

Tags time

14

2195

Problem 66. Find the two-word state names

Created by: Cody Team

Tags regexp, states

4

950

Problem 39. Which values occur exactly three times?

Created by: Cody Team

Tags search

20

4344

Problem 40. Reverse Run-Length Encoder

Created by: Cody Team

Tags encoding

15

1962

Problem 44. Trimming Spaces

Created by: Cody Team

Tags strings, whitespace

9

1792

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

Created by: Cody Team

Tags matlab

16

2398

Problem 28. Counting Money

Created by: Cody Team

Tags regexp, strings

14

2866

Problem 50. QWERTY coordinates

Created by: Cody Team

Tags indexing

18

1814

Problem 42. Find the alphabetic word product

Created by: Cody Team

Tags matlab

10

2693

Problem 57. Summing Digits within Text

Created by: Cody Team

Tags strings

10

1818

Problem 87. Indexed Probability Table

Created by: Cody Team

Tags matlab

7

1724

Problem 94. Target sorting

Created by: Cody Team

Tags sorting, matlab

26

3800

Problem 46. Which doors are open?

Created by: Cody Team

Tags matlab, iteration

24

2590

Problem 49. Sums with Excluded Digits

Created by: Cody Team

Tags strings

12

1599

Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

55

4569

Problem 77. Clean the List of Names

Created by: Cody Team

Tags strings

3

1170

Problem 13. Remove all the consonants

Created by: Cody Team

Tags regexp, basics

23

3495

Problem 23. Finding Perfect Squares

Created by: Cody Team

Tags sets

120

13230

Problem 37. Pascal's Triangle

Created by: Cody Team

Tags math, combinatorics

21

3439

Problem 27. Pangrams!

Created by: Cody Team

Tags strings

30

3005

Problem 53. Duplicates

Created by: Cody Team

Tags strings, sets, matlab

5

1619

Problem 74. Balanced number

Created by: Cody Team

Tags matlab

19

2311

Problem 80. Test for balanced parentheses

Created by: Cody Team

Tags regexp, parens

9

1002

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

Created by: Cody Team

Tags vectors

25

4357

Problem 47. Extract leading non-zero digit

Created by: Cody Team

Tags math, maths, mathematics

5

1546
1 – 50 of 94