Problems

1 – 50 of 4,376

Problem Title Likes Solvers Difficulty

Problem 1. Times 2 - START HERE

Created by: Cody Team

Tags intro, math, easy

408

60231

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

Created by: Cody Team

Tags basic, basics, colon

144

37991

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

Created by: Cody Team

Tags matlab 101, easy, vector

137

34448

Problem 8. Add two numbers

Created by: Cody Team

Tags matlab 101, basic matlab, basics

141

30053

Problem 6. Select every other element of a vector

Created by: Cody Team

Tags vectors, matlab 101, indexing

117

22180

Problem 26. Determine if input is odd

Created by: Cody Team

Tags easy, basic matlab, why matlab

106

20133

Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle, nice

18995

Problem 7. Column Removal

Created by: Cody Team

Tags matlab 101, basic matlab

18466

Problem 167. Pizza!

Created by: the cyclist

Tags fun, pizza, good

271

17927

Problem 149. Is my wife right?

Created by: the cyclist

Tags easy, silly, fun

256

15908

Problem 19. Swap the first and last columns

Created by: Cody Team

Tags math, matlab 101, permutations

13627

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

13607

Problem 10. Determine whether a vector is monotonically increasing

Created by: Cody Team

Tags vectors, matlab 101

13170

Problem 4. Make a checkerboard matrix

Created by: Cody Team

Tags matrices, square

171

13056

Problem 23. Finding Perfect Squares

Created by: Cody Team

Tags sets, poor_test_suite

11061

Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

10888

Problem 12. Fibonacci sequence

Created by: Cody Team

Tags sequences, fibonacci, siam

10433

Problem 44943. Calculate Amount of Cake Frosting

Created by: Pooja Lalan

Tags basic matlab

9955

Problem 44944. Convert from Fahrenheit to Celsius

Created by: Pooja Lalan

Tags matrix manipulation

9464

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

Created by: Dimitris Kaliakmanis

Tags math, basic matlab

9399

Problem 233. Reverse the vector

Created by: Vishwanathan Iyer

Tags matlab 101, handling vectors, basics

7410

Problem 25. Remove any row in which a NaN appears

Created by: Cody Team

Tags matlab 101, siam

7150

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

Created by: Cody Team

Tags easy, matrices

7142

Problem 9. Who Has the Most Change?

Created by: Cody Team

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

7096

Problem 44947. Find the Oldest Person in a Room

Created by: Pooja Lalan

Tags indexing, function

6853

Problem 2015. Length of the hypotenuse

Created by: Tanya Morton

Tags pythagoras, basic matlab

6614

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

Created by: Cody Team

Tags 3n+1, sample

6508

Problem 106. Weighted average

Created by: Will

Tags average, weighted, poor_test_suite

6414

Problem 1702. Maximum value in a matrix

Created by: Gnaneswar Nadh satapathi

Tags matlab 101, matrix, basic matlab

6364

Problem 11. Back and Forth Rows

Created by: Cody Team

Tags matrices

6248

Problem 1545. Return area of square

Created by: Marek Kuklis

Tags matlab, basic matlab

6246

Problem 32. Most nonzero elements in row

Created by: Cody Team

Tags matrices

6091

Problem 20. Summing digits

Created by: Cody Team

Tags strings, sum

6032

Problem 838. Check if number exists in vector

Created by: Nichlas

Tags vectors, basic matlab

5492

Problem 262. Swap the input arguments

Created by: Steve Eddins

Tags matlab 101, swap, basic matlab

5236

Problem 247. Arrange Vector in descending order

Created by: Vishwanathan Iyer

Tags sorting, vector, basic matlab

4884

Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

4851

Problem 174. Roll the Dice!

Created by: @bmtran (Bryant Tran)

Tags dice, random, rolling

4842

Problem 1035. Generate a vector like 1,2,2,3,3,3,4,4,4,4

Created by: Binbin Qi

Tags zeros, for, ones

4639

Problem 44946. Solve a System of Linear Equations

Created by: Pooja Lalan

Tags matrix creation, vector creation, backslash

4600

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

Created by: Cody Team

Tags sorting, basic matlab

4512

Problem 624. Get the length of a given vector

Created by: Yudong Zhang

Tags vector, basic matlab, basics

4365

Problem 18. Bullseye Matrix

Created by: Cody Team

Tags matrices

4363

Problem 135. Inner product of two vectors

Created by: AMITAVA BISWAS

Tags vector, basic matlab, basics

4348

Problem 649. Return the first and last characters of a character array

Created by: @bmtran (Bryant Tran)

Tags matlab 101, indexing, basic matlab

4316

Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

4112

Problem 645. Getting the indices from a vector

Created by: Doug Hull

Tags indexing, basic matlab, ml101

4097

Problem 109. Check if sorted

Created by: AMITAVA BISWAS

Tags sort, basic matlab

4072

Problem 39. Which values occur exactly three times?

Created by: Cody Team

Tags search

4027

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

Created by: Cody Team

Tags vectors

3975

1 – 50 of 4,376

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