Everett Rubel

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1 – 50 of 59

Problem 46. Which doors are open?

Created by: Cody Team

Tags matlab, iteration

2

Solutions

17

Size

2

Solutions

17

Size

Problem 50. QWERTY coordinates

Created by: Cody Team

Tags indexing

1

Solution

39

Size

1

Solution

39

Size

Problem 57. Summing Digits within Text

Created by: Cody Team

Tags strings

1

Solution

22

Size

1

Solution

22

Size

Problem 40. Reverse Run-Length Encoder

Created by: Cody Team

Tags encoding

1

Solution

44

Size

1

Solution

44

Size

Problem 44. Trimming Spaces

Created by: Cody Team

Tags strings, whitespace

1

Solution

14

Size

1

Solution

14

Size

Problem 59. Pattern matching

Created by: Cody Team

Tags indexing

2

Solutions

50

Size

2

Solutions

50

Size

Problem 74. Balanced number

Created by: Cody Team

Tags matlab

1

Solution

86

Size

1

Solution

86

Size

Problem 38. Return a list sorted by number of occurrences

Created by: Cody Team

Tags vectors, sorting

1

Solution

82

Size

1

Solution

82

Size

Problem 76. De-dupe

Created by: Cody Team

Tags matlab

2

Solutions

13

Size

2

Solutions

13

Size

Problem 48. Making change

Created by: Cody Team

Tags money, subs

1

Solution

66

Size

1

Solution

66

Size

Problem 62. Elapsed Time

Created by: Cody Team

Tags time

1

Solution

22

Size

1

Solution

22

Size

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

Created by: Cody Team

Tags matlab

1

Solution

55

Size

1

Solution

55

Size

Problem 556. Stuff the Board

Created by: Ned Gulley

Tags contest, poor_test_suite

1

Solution

41

Size

1

Solution

41

Size

Problem 470. Scoring for oriented dominoes

Created by: Doug Hull

Tags contest

1

Solution

46

Size

1

Solution

46

Size

Problem 28. Counting Money

Created by: Cody Team

Tags regexp, strings

3

Solutions

18

Size

3

Solutions

18

Size

Problem 13. Remove all the consonants

Created by: Cody Team

Tags regexp, basics

1

Solution

18

Size

1

Solution

18

Size

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

Created by: Cody Team

Tags regexp, diff, strings

3

Solutions

39

Size

3

Solutions

39

Size

Problem 157. The Hitchhiker's Guide to MATLAB

Created by: the cyclist

Tags "douglas adams", douglas adams, fun

1

Solution

13

Size

1

Solution

13

Size

Problem 109. Check if sorted

Created by: AMITAVA BISWAS

Tags sort, basic matlab

1

Solution

12

Size

1

Solution

12

Size

Problem 27. Pangrams!

Created by: Cody Team

Tags strings

1

Solution

23

Size

1

Solution

23

Size

Problem 42. Find the alphabetic word product

Created by: Cody Team

Tags matlab

4

Solutions

20

Size

4

Solutions

20

Size

Problem 35. Quote Doubler

Created by: Cody Team

Tags regexp, strings, quotes

2

Solutions

18

Size

2

Solutions

18

Size

Problem 120. radius of a spherical planet

Created by: AMITAVA BISWAS

Tags planet, geometry, space

1

Solution

18

Size

1

Solution

18

Size

Problem 115. Distance walked 1D

Created by: AMITAVA BISWAS

Tags walk, basic matlab

1

Solution

16

Size

1

Solution

16

Size

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

Created by: Dimitris Kaliakmanis

Tags math, basic matlab

1

Solution

16

Size

1

Solution

16

Size

Problem 64. The Goldbach Conjecture, Part 2

Created by: Cody Team

Tags primes

2

Solutions

53

Size

2

Solutions

53

Size

Problem 18. Bullseye Matrix

Created by: Cody Team

Tags matrices

2

Solutions

47

Size

2

Solutions

47

Size

Problem 37. Pascal's Triangle

Created by: Cody Team

Tags math, combinatorics

1

Solution

27

Size

1

Solution

27

Size

Problem 106. Weighted average

Created by: Will

Tags average, weighted, poor_test_suite

2

Solutions

16

Size

2

Solutions

16

Size

Problem 34. Binary numbers

Created by: Cody Team

Tags matlab

1

Solution

37

Size

1

Solution

37

Size

Problem 29. Nearest Numbers

Created by: Cody Team

Tags vectors, distance

3

Solutions

65

Size

3

Solutions

65

Size

Problem 41. Cell joiner

Created by: Cody Team

Tags strings, matlab

2

Solutions

34

Size

2

Solutions

34

Size

Problem 39. Which values occur exactly three times?

Created by: Cody Team

Tags search

7

Solutions

35

Size

7

Solutions

35

Size

Problem 94. Target sorting

Created by: Cody Team

Tags sorting, matlab

1

Solution

26

Size

1

Solution

26

Size

Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

1

Solution

43

Size

1

Solution

43

Size

Problem 9. Who Has the Most Change?

Created by: Cody Team

Tags indexing, stupid, notice the rignt sequence of money!

1

Solution

24

Size

1

Solution

24

Size

Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

1

Solution

14

Size

1

Solution

14

Size

Problem 20. Summing digits

Created by: Cody Team

Tags strings, sum

1

Solution

23

Size

1

Solution

23

Size

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

Created by: Cody Team

Tags sorting, basic matlab

1

Solution

13

Size

1

Solution

13

Size

Problem 11. Back and Forth Rows

Created by: Cody Team

Tags matrices

2

Solutions

50

Size

2

Solutions

50

Size

Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

1

Solution

23

Size

1

Solution

23

Size

Problem 32. Most nonzero elements in row

Created by: Cody Team

Tags matrices

1

Solution

20

Size

1

Solution

20

Size

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

Created by: Cody Team

Tags easy, matrices

1

Solution

20

Size

1

Solution

20

Size

Problem 25. Remove any row in which a NaN appears

Created by: Cody Team

Tags matlab 101, siam

1

Solution

19

Size

1

Solution

19

Size

Problem 23. Finding Perfect Squares

Created by: Cody Team

Tags sets

1

Solution

18

Size

1

Solution

18

Size

Problem 12. Fibonacci sequence

Created by: Cody Team

Tags sequences, fibonacci, siam

4

Solutions

39

Size

4

Solutions

39

Size

Problem 19. Swap the first and last columns

Created by: Cody Team

Tags math, matlab 101, permutations

2

Solutions

37

Size

2

Solutions

37

Size

Problem 10. Determine whether a vector is monotonically increasing

Created by: Cody Team

Tags vectors, matlab 101

10

Solutions

21

Size

10

Solutions

21

Size

Problem 4. Make a checkerboard matrix

Created by: Cody Team

Tags matrices, square

2

Solutions

28

Size

2

Solutions

28

Size

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

1

Solution

19

Size

1

Solution

19

Size

1 – 50 of 59