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

156

31103

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

Created by: Cody Team

Tags basic, test, basics

150

39073

Problem 1. Times 2 - START HERE

Created by: Cody Team

Tags intro, math, easy

520

64869

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

Created by: Cody Team

Tags matlab 101, easy, vector

157

35686

Problem 26. Determine if input is odd

Created by: Cody Team

Tags easy, basic matlab, why matlab

107

20363

Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle, nice

96

19724

Problem 6. Select every other element of a vector

Created by: Cody Team

Tags vectors, matlab 101, indexing

126

23089

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

13787

Problem 76. De-dupe

Created by: Cody Team

Tags matlab

10

1990

Problem 35. Quote Doubler

Created by: Cody Team

Tags regexp, strings, quotes

8

2009

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

Created by: Cody Team

Tags sorting, basic matlab

22

4589

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

Created by: Cody Team

Tags easy, matrices

40

7283

Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

75

11362

Problem 41. Cell joiner

Created by: Cody Team

Tags strings, matlab

27

3657

Problem 19. Swap the first and last columns

Created by: Cody Team

Tags math, matlab 101, permutations

72

14190

Problem 32. Most nonzero elements in row

Created by: Cody Team

Tags matrices

33

6179

Problem 12. Fibonacci sequence

Created by: Cody Team

Tags sequences, fibonacci, siam

88

10663

Problem 20. Summing digits

Created by: Cody Team

Tags strings, sum

32

6175

Problem 62. Elapsed Time

Created by: Cody Team

Tags time

13

1942

Problem 72. Interpolator

Created by: Cody Team

Tags interpolation

23

2434

Problem 66. Find the two-word state names

Created by: Cody Team

Tags regexp, states

3

846

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

Created by: Cody Team

Tags 3n+1, sample

71

6660

Problem 50. QWERTY coordinates

Created by: Cody Team

Tags indexing

13

1512

Problem 10. Determine whether a vector is monotonically increasing

Created by: Cody Team

Tags vectors, matlab 101

88

13777

Problem 9. Who Has the Most Change?

Created by: Cody Team

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

68

7281

Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

22

4943

Problem 44. Trimming Spaces

Created by: Cody Team

Tags strings, whitespace

8

1581

Problem 25. Remove any row in which a NaN appears

Created by: Cody Team

Tags matlab 101, siam

67

7250

Problem 40. Reverse Run-Length Encoder

Created by: Cody Team

Tags encoding

13

1750

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

Created by: Cody Team

Tags matlab

15

2194

Problem 42. Find the alphabetic word product

Created by: Cody Team

Tags matlab

9

2485

Problem 87. Indexed Probability Table

Created by: Cody Team

Tags matlab

6

1513

Problem 28. Counting Money

Created by: Cody Team

Tags regexp, strings

12

2620

Problem 77. Clean the List of Names

Created by: Cody Team

Tags strings

2

971

Problem 57. Summing Digits within Text

Created by: Cody Team

Tags strings

8

1524

Problem 4. Make a checkerboard matrix

Created by: Cody Team

Tags matrices, square

177

13369

Problem 39. Which values occur exactly three times?

Created by: Cody Team

Tags search

19

4092

Problem 46. Which doors are open?

Created by: Cody Team

Tags matlab, iteration

23

2357

Problem 94. Target sorting

Created by: Cody Team

Tags sorting, matlab

25

3590

Problem 49. Sums with Excluded Digits

Created by: Cody Team

Tags strings

11

1378

Problem 80. Test for balanced parentheses

Created by: Cody Team

Tags regexp, parens

8

929

Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

54

4267

Problem 64. The Goldbach Conjecture, Part 2

Created by: Cody Team

Tags primes

13

1481

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

Created by: Cody Team

Tags matlab

2

785

Problem 74. Balanced number

Created by: Cody Team

Tags matlab

18

2079

Problem 45. Make a Palindrome Number

Created by: Cody Team

Tags strings

17

1553

Problem 86. Renaming a field in a structure array

Created by: Cody Team

Tags matlab

7

838

Problem 53. Duplicates

Created by: Cody Team

Tags strings, sets, matlab

4

1372

Problem 37. Pascal's Triangle

Created by: Cody Team

Tags math, combinatorics

19

3214

Problem 27. Pangrams!

Created by: Cody Team

Tags strings

29

2756
1 – 50 of 94