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

144

30369

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

Created by: Cody Team

Tags basic, basics, colon

144

38348

Problem 1. Times 2 - START HERE

Created by: Cody Team

Tags intro, math, easy

448

61776

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

Created by: Cody Team

Tags matlab 101, easy, vector

145

34824

Problem 26. Determine if input is odd

Created by: Cody Team

Tags easy, basic matlab, why matlab

106

20224

Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle, nice

94

19198

Problem 6. Select every other element of a vector

Created by: Cody Team

Tags vectors, matlab 101, indexing

122

22454

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

13682

Problem 76. De-dupe

Created by: Cody Team

Tags matlab

10

1961

Problem 35. Quote Doubler

Created by: Cody Team

Tags regexp, strings, quotes

8

1974

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

Created by: Cody Team

Tags sorting, basic matlab

21

4534

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

Created by: Cody Team

Tags easy, matrices

40

7190

Problem 41. Cell joiner

Created by: Cody Team

Tags strings, matlab

25

3549

Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

74

11009

Problem 19. Swap the first and last columns

Created by: Cody Team

Tags math, matlab 101, permutations

68

13791

Problem 32. Most nonzero elements in row

Created by: Cody Team

Tags matrices

33

6118

Problem 62. Elapsed Time

Created by: Cody Team

Tags time

13

1904

Problem 12. Fibonacci sequence

Created by: Cody Team

Tags sequences, fibonacci, siam

84

10521

Problem 72. Interpolator

Created by: Cody Team

Tags interpolation

22

2333

Problem 20. Summing digits

Created by: Cody Team

Tags strings, sum

32

6087

Problem 66. Find the two-word state names

Created by: Cody Team

Tags regexp, states

3

821

Problem 50. QWERTY coordinates

Created by: Cody Team

Tags indexing

11

1450

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

Created by: Cody Team

Tags 3n+1, sample

70

6568

Problem 9. Who Has the Most Change?

Created by: Cody Team

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

68

7161

Problem 10. Determine whether a vector is monotonically increasing

Created by: Cody Team

Tags vectors, matlab 101

85

13348

Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

22

4884

Problem 25. Remove any row in which a NaN appears

Created by: Cody Team

Tags matlab 101, siam

67

7189

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

Created by: Cody Team

Tags matlab

15

2166

Problem 40. Reverse Run-Length Encoder

Created by: Cody Team

Tags encoding

13

1729

Problem 44. Trimming Spaces

Created by: Cody Team

Tags strings, whitespace

8

1561

Problem 28. Counting Money

Created by: Cody Team

Tags regexp, strings

12

2576

Problem 42. Find the alphabetic word product

Created by: Cody Team

Tags matlab

8

2463

Problem 87. Indexed Probability Table

Created by: Cody Team

Tags matlab

5

1495

Problem 57. Summing Digits within Text

Created by: Cody Team

Tags strings

8

1499

Problem 77. Clean the List of Names

Created by: Cody Team

Tags strings

2

951

Problem 4. Make a checkerboard matrix

Created by: Cody Team

Tags matrices, square

172

13155

Problem 39. Which values occur exactly three times?

Created by: Cody Team

Tags search

19

4050

Problem 94. Target sorting

Created by: Cody Team

Tags sorting, matlab

24

3563

Problem 46. Which doors are open?

Created by: Cody Team

Tags matlab, iteration

23

2330

Problem 49. Sums with Excluded Digits

Created by: Cody Team

Tags strings

11

1355

Problem 80. Test for balanced parentheses

Created by: Cody Team

Tags regexp, parens

8

918

Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

53

4144

Problem 64. The Goldbach Conjecture, Part 2

Created by: Cody Team

Tags primes

12

1453

Problem 74. Balanced number

Created by: Cody Team

Tags matlab

18

2059

Problem 37. Pascal's Triangle

Created by: Cody Team

Tags math, combinatorics

19

3175

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

Created by: Cody Team

Tags matlab

2

739

Problem 45. Make a Palindrome Number

Created by: Cody Team

Tags strings

16

1531

Problem 27. Pangrams!

Created by: Cody Team

Tags strings

29

2695

Problem 53. Duplicates

Created by: Cody Team

Tags strings, sets, matlab

4

1345

Problem 82. Remove the small words from a list of words.

Created by: Cody Team

Tags matlab

3

778
1 – 50 of 94