Problems

1 – 50 of 94

Problem Title Likes Solvers

Problem 1. Times 2 - START HERE

Created by: Cody Team

Tags intro, math, easy

262

52157

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

Created by: Cody Team

Tags basic, basics, colon

123

34678

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

Created by: Cody Team

Tags matlab 101, easy, vector

103

31042

Problem 8. Add two numbers

Created by: Cody Team

Tags matlab 101, basic matlab, basics

109

27202

Problem 6. Select every other element of a vector

Created by: Cody Team

Tags vectors, matlab 101, indexing

19602

Problem 26. Determine if input is odd

Created by: Cody Team

Tags easy, basic matlab, why matlab

18992

Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle, nice

16829

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

12815

Problem 4. Make a checkerboard matrix

Created by: Cody Team

Tags matrices, square

160

12114

Problem 19. Swap the first and last columns

Created by: Cody Team

Tags math, matlab 101, permutations

11861

Problem 10. Determine whether a vector is monotonically increasing

Created by: Cody Team

Tags vectors, matlab 101

11394

Problem 12. Fibonacci sequence

Created by: Cody Team

Tags sequences, fibonacci, siam

9651

Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

9319

Problem 23. Finding Perfect Squares

Created by: Cody Team

Tags sets, poor_test_suite

9284

Problem 25. Remove any row in which a NaN appears

Created by: Cody Team

Tags matlab 101, siam

6709

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

Created by: Cody Team

Tags easy, matrices

6666

Problem 9. Who Has the Most Change?

Created by: Cody Team

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

6566

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

Created by: Cody Team

Tags 3n+1, sample

6025

Problem 32. Most nonzero elements in row

Created by: Cody Team

Tags matrices

5753

Problem 20. Summing digits

Created by: Cody Team

Tags strings, sum

5557

Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

4480

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

Created by: Cody Team

Tags sorting, basic matlab

4247

Problem 18. Bullseye Matrix

Created by: Cody Team

Tags matrices

4017

Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

3793

Problem 39. Which values occur exactly three times?

Created by: Cody Team

Tags search

3752

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

Created by: Cody Team

Tags vectors

3639

Problem 94. Target sorting

Created by: Cody Team

Tags sorting, matlab

3316

Problem 29. Nearest Numbers

Created by: Cody Team

Tags vectors, distance

3169

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

Created by: Cody Team

Tags regexp, diff, strings

3139

Problem 13. Remove all the consonants

Created by: Cody Team

Tags regexp, basics

2984

Problem 37. Pascal's Triangle

Created by: Cody Team

Tags math, combinatorics

2899

Problem 41. Cell joiner

Created by: Cody Team

Tags strings, matlab

2879

Problem 27. Pangrams!

Created by: Cody Team

Tags strings

2382

Problem 34. Binary numbers

Created by: Cody Team

Tags matlab

2346

Problem 28. Counting Money

Created by: Cody Team

Tags regexp, strings

2331

Problem 42. Find the alphabetic word product

Created by: Cody Team

Tags matlab

2276

Problem 46. Which doors are open?

Created by: Cody Team

Tags matlab, iteration

2134

Problem 48. Making change

Created by: Cody Team

Tags money

2093

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

Created by: Cody Team

Tags matlab

1973

Problem 74. Balanced number

Created by: Cody Team

Tags matlab

1851

Problem 72. Interpolator

Created by: Cody Team

Tags interpolation

1850

Problem 35. Quote Doubler

Created by: Cody Team

Tags regexp, strings, quotes

1787

Problem 76. De-dupe

Created by: Cody Team

Tags matlab

1757

Problem 62. Elapsed Time

Created by: Cody Team

Tags time

1662

Problem 51. Find the two most distant points

Created by: Cody Team

Tags distance

1571

Problem 40. Reverse Run-Length Encoder

Created by: Cody Team

Tags encoding

1554

Problem 59. Pattern matching

Created by: Cody Team

Tags indexing

1500

Problem 38. Return a list sorted by number of occurrences

Created by: Cody Team

Tags vectors, sorting

1454

Problem 44. Trimming Spaces

Created by: Cody Team

Tags strings, whitespace

1372

Problem 45. Make a Palindrome Number

Created by: Cody Team

Tags strings

1357

1 – 50 of 94

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