Problems

1 – 50 of 3,409

Problem Title Likes Solvers

Problem 1. Times 2 - START HERE

Created by: Cody Team

Tags intro, math, basics

110

34822

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

Created by: Cody Team

Tags basic, colon, x=1:10

28675

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

Created by: Cody Team

Tags easy, matlab 101, vector

24927

Problem 8. Add two numbers

Created by: Cody Team

Tags matlab 101, siam, basic matlab

22487

Problem 26. Determine if input is odd

Created by: Cody Team

Tags easy, basic matlab, why matlab

16785

Problem 6. Select every other element of a vector

Created by: Cody Team

Tags vectors, indexing, matlab 101

15810

Problem 167. Pizza!

Created by: the cyclist

Tags pizza, fun

216

14732

Problem 7. Column Removal

Created by: Cody Team

Tags matlab 101, basic matlab

13962

Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle

13809

Problem 149. Is my wife right?

Created by: the cyclist

Tags fun, stupid, silly

188

13604

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

11348

Problem 4. Make a checkerboard matrix

Created by: Cody Team

Tags matrices, square

134

10447

Problem 19. Swap the first and last columns

Created by: Cody Team

Tags matlab 101, siam, math

9658

Problem 10. Determine whether a vector is monotonically increasing

Created by: Cody Team

Tags vectors, matlab 101

9051

Problem 12. Fibonacci sequence

Created by: Cody Team

Tags sequences, siam, fibonacci

8186

Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

7493

Problem 23. Finding Perfect Squares

Created by: Cody Team

Tags sets, poor_test_suite

7087

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

Created by: Dimitris Kaliakmanis

Tags math, basic matlab

6135

Problem 25. Remove any row in which a NaN appears

Created by: Cody Team

Tags matlab 101, siam

5890

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

Created by: Cody Team

Tags easy, matrices

5810

Problem 106. Weighted average

Created by: Will

Tags average, weighted, poor_problem_statement

5680

Problem 9. Who Has the Most Change?

Created by: Cody Team

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

5531

Problem 11. Back and Forth Rows

Created by: Cody Team

Tags matrices

5292

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

Created by: Cody Team

Tags 3n+1, sample

5100

Problem 32. Most nonzero elements in row

Created by: Cody Team

Tags matrices

5100

Problem 20. Summing digits

Created by: Cody Team

Tags strings

4754

Problem 233. Reverse the vector

Created by: Vishwanathan Iyer

Tags handling vectors, matlab 101, basics

3927

Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

3811

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

Created by: Cody Team

Tags sorting, basic matlab

3728

Problem 109. Check if sorted

Created by: AMITAVA BISWAS

Tags sort, basic matlab

3619

Problem 1658. Simple equation: Annual salary

Created by: matlab.zyante.com

Tags easy, salary, zyante

3376

Problem 18. Bullseye Matrix

Created by: Cody Team

Tags matrices

3356

Problem 39. Which values occur exactly three times?

Created by: Cody Team

Tags search

3266

Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

3260

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

Created by: Cody Team

Tags vectors

3044

Problem 94. Target sorting

Created by: Cody Team

Tags matlab, sorting

2900

Problem 2015. Length of the hypotenuse

Created by: Tanya Morton

Tags pythagoras, basic matlab

2826

Problem 29. Nearest Numbers

Created by: Cody Team

Tags vectors, distance

2681

Problem 157. The Hitchhiker's Guide to MATLAB

Created by: the cyclist

Tags "douglas adams", douglas adams, Joke

2673

Problem 37. Pascal's Triangle

Created by: Cody Team

Tags combinatorics, math

2473

Problem 13. Remove all the consonants

Created by: Cody Team

Tags regexp, basics

2471

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

Created by: Cody Team

Tags diff, strings, regexp

2387

Problem 262. Swap the input arguments

Created by: Steve Eddins

Tags swap, matlab 101, basic matlab

2350

Problem 105. How to find the position of an element in a vector without using the find function

Created by: Chelsea

Tags find, indexing

2298

Problem 41. Cell joiner

Created by: Cody Team

Tags matlab, strings

2213

Problem 838. Check if number exists in vector

Created by: Nichlas

Tags vectors, basic matlab

2160

Problem 174. Roll the Dice!

Created by: @bmtran (Bryant Tran)

Tags dice, random, rolling

2149

Problem 115. Distance walked 1D

Created by: AMITAVA BISWAS

Tags walk, basic matlab

2092

Problem 42. Find the alphabetic word product

Created by: Cody Team

Tags matlab

1975

Problem 27. Pangrams!

Created by: Cody Team

Tags strings

1933

1 – 50 of 3,409

Trial software

Problem Groups $(function () { $('[data-toggle="popover"]').popover() })

Problems

Problem Groups