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

150

30788

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

Created by: Cody Team

Tags basic, test, basics

147

38763

Problem 1. Times 2 - START HERE

Created by: Cody Team

Tags intro, math, easy

488

63673

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

Created by: Cody Team

Tags matlab 101, easy, vector

151

35323

Problem 26. Determine if input is odd

Created by: Cody Team

Tags easy, basic matlab, why matlab

107

20313

Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle, nice

95

19524

Problem 6. Select every other element of a vector

Created by: Cody Team

Tags vectors, matlab 101, indexing

124

22831

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

13747

Problem 76. De-dupe

Created by: Cody Team

Tags matlab

10

1983

Problem 35. Quote Doubler

Created by: Cody Team

Tags regexp, strings, quotes

8

1999

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

4571

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

Created by: Cody Team

Tags easy, matrices

40

7252

Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

74

11244

Problem 41. Cell joiner

Created by: Cody Team

Tags strings, matlab

26

3623

Problem 19. Swap the first and last columns

Created by: Cody Team

Tags math, matlab 101, permutations

70

14045

Problem 32. Most nonzero elements in row

Created by: Cody Team

Tags matrices

33

6158

Problem 12. Fibonacci sequence

Created by: Cody Team

Tags sequences, fibonacci, siam

86

10620

Problem 62. Elapsed Time

Created by: Cody Team

Tags time

13

1933

Problem 72. Interpolator

Created by: Cody Team

Tags interpolation

23

2397

Problem 20. Summing digits

Created by: Cody Team

Tags strings, sum

32

6145

Problem 66. Find the two-word state names

Created by: Cody Team

Tags regexp, states

3

840

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

Created by: Cody Team

Tags 3n+1, sample

71

6626

Problem 9. Who Has the Most Change?

Created by: Cody Team

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

68

7240

Problem 10. Determine whether a vector is monotonically increasing

Created by: Cody Team

Tags vectors, matlab 101

87

13635

Problem 50. QWERTY coordinates

Created by: Cody Team

Tags indexing

13

1500

Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

22

4922

Problem 40. Reverse Run-Length Encoder

Created by: Cody Team

Tags encoding

13

1747

Problem 44. Trimming Spaces

Created by: Cody Team

Tags strings, whitespace

8

1576

Problem 25. Remove any row in which a NaN appears

Created by: Cody Team

Tags matlab 101, siam

67

7233

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

Created by: Cody Team

Tags matlab

15

2187

Problem 42. Find the alphabetic word product

Created by: Cody Team

Tags matlab

8

2480

Problem 87. Indexed Probability Table

Created by: Cody Team

Tags matlab

6

1509

Problem 28. Counting Money

Created by: Cody Team

Tags regexp, strings

12

2606

Problem 77. Clean the List of Names

Created by: Cody Team

Tags strings

2

965

Problem 57. Summing Digits within Text

Created by: Cody Team

Tags strings

8

1516

Problem 4. Make a checkerboard matrix

Created by: Cody Team

Tags matrices, square

174

13300

Problem 39. Which values occur exactly three times?

Created by: Cody Team

Tags search

19

4083

Problem 46. Which doors are open?

Created by: Cody Team

Tags matlab, iteration

23

2348

Problem 94. Target sorting

Created by: Cody Team

Tags sorting, matlab

25

3584

Problem 49. Sums with Excluded Digits

Created by: Cody Team

Tags strings

11

1373

Problem 80. Test for balanced parentheses

Created by: Cody Team

Tags regexp, parens

8

927

Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

54

4253

Problem 64. The Goldbach Conjecture, Part 2

Created by: Cody Team

Tags primes

13

1471

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

Created by: Cody Team

Tags matlab

2

778

Problem 74. Balanced number

Created by: Cody Team

Tags matlab

18

2074

Problem 45. Make a Palindrome Number

Created by: Cody Team

Tags strings

17

1547

Problem 86. Renaming a field in a structure array

Created by: Cody Team

Tags matlab

7

834

Problem 37. Pascal's Triangle

Created by: Cody Team

Tags math, combinatorics

19

3199

Problem 53. Duplicates

Created by: Cody Team

Tags strings, sets, matlab

4

1368

Problem 27. Pangrams!

Created by: Cody Team

Tags strings

29

2739
1 – 50 of 94