Problems

1 – 50 of 3,428

Problem Title Likes Solvers

Problem 1. Times 2 - START HERE

Created by: Cody Team

Tags intro, math, basics

116

35683

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

29169

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

Created by: Cody Team

Tags easy, matlab 101, vector

25384

Problem 8. Add two numbers

Created by: Cody Team

Tags matlab 101, siam, basic matlab

22850

Problem 26. Determine if input is odd

Created by: Cody Team

Tags easy, basic matlab, why matlab

17004

Problem 6. Select every other element of a vector

Created by: Cody Team

Tags vectors, indexing, matlab 101

16089

Problem 167. Pizza!

Created by: the cyclist

Tags pizza, fun

218

14892

Problem 7. Column Removal

Created by: Cody Team

Tags matlab 101, basic matlab

14234

Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle

14061

Problem 149. Is my wife right?

Created by: the cyclist

Tags fun, stupid, silly

189

13743

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

11553

Problem 4. Make a checkerboard matrix

Created by: Cody Team

Tags matrices, square

139

10610

Problem 19. Swap the first and last columns

Created by: Cody Team

Tags matlab 101, siam, math

9807

Problem 10. Determine whether a vector is monotonically increasing

Created by: Cody Team

Tags vectors, matlab 101

9187

Problem 12. Fibonacci sequence

Created by: Cody Team

Tags sequences, siam, fibonacci

8294

Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

7607

Problem 23. Finding Perfect Squares

Created by: Cody Team

Tags sets, poor_test_suite

7198

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

Created by: Dimitris Kaliakmanis

Tags math, basic matlab

6265

Problem 25. Remove any row in which a NaN appears

Created by: Cody Team

Tags matlab 101, siam

5943

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

Created by: Cody Team

Tags easy, matrices

5868

Problem 106. Weighted average

Created by: Will

Tags average, weighted, poor_problem_statement

5710

Problem 9. Who Has the Most Change?

Created by: Cody Team

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

5611

Problem 11. Back and Forth Rows

Created by: Cody Team

Tags matrices

5334

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

Created by: Cody Team

Tags 3n+1, sample

5165

Problem 32. Most nonzero elements in row

Created by: Cody Team

Tags matrices

5144

Problem 20. Summing digits

Created by: Cody Team

Tags strings

4796

Problem 233. Reverse the vector

Created by: Vishwanathan Iyer

Tags handling vectors, matlab 101, basics

4041

Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

3846

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

Created by: Cody Team

Tags sorting, basic matlab

3757

Problem 109. Check if sorted

Created by: AMITAVA BISWAS

Tags sort, basic matlab

3644

Problem 1658. Simple equation: Annual salary

Created by: matlab.zyante.com

Tags easy, salary, zyante

3394

Problem 18. Bullseye Matrix

Created by: Cody Team

Tags matrices

3385

Problem 39. Which values occur exactly three times?

Created by: Cody Team

Tags search

3288

Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

3282

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

Created by: Cody Team

Tags vectors

3081

Problem 2015. Length of the hypotenuse

Created by: Tanya Morton

Tags pythagoras, basic matlab

2935

Problem 94. Target sorting

Created by: Cody Team

Tags matlab, sorting

2919

Problem 29. Nearest Numbers

Created by: Cody Team

Tags vectors, distance

2704

Problem 157. The Hitchhiker's Guide to MATLAB

Created by: the cyclist

Tags "douglas adams", douglas adams, Joke

2687

Problem 13. Remove all the consonants

Created by: Cody Team

Tags regexp, basics

2503

Problem 37. Pascal's Triangle

Created by: Cody Team

Tags combinatorics, math

2500

Problem 262. Swap the input arguments

Created by: Steve Eddins

Tags swap, matlab 101, basic matlab

2424

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

Created by: Cody Team

Tags diff, strings, regexp

2417

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

Created by: Chelsea

Tags find, indexing

2310

Problem 838. Check if number exists in vector

Created by: Nichlas

Tags vectors, basic matlab

2258

Problem 174. Roll the Dice!

Created by: @bmtran (Bryant Tran)

Tags dice, random, rolling

2228

Problem 41. Cell joiner

Created by: Cody Team

Tags matlab, strings

2228

Problem 115. Distance walked 1D

Created by: AMITAVA BISWAS

Tags walk, basic matlab

2102

Problem 1702. Maximum value in a matrix

Created by: Gnaneswar Nadh satapathi

Tags matrix, basic matlab, matlab 101

2055

Problem 1545. Return area of square

Created by: Marek Kuklis

Tags matlab, basic matlab

2016

1 – 50 of 3,428

Trial software

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

Problems

Problem Groups