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Problem 139. Determine if a Given Number is a Triangle Number

Created by: @bmtran (Bryant Tran)

Tags triangle numbers

5

Solutions

30

Size

5

Solutions

30

Size

Problem 135. Inner product of two vectors

Created by: AMITAVA BISWAS

Tags vector, basic matlab, basics

2

Solutions

15

Size

2

Solutions

15

Size

Problem 145. Increment a number, given its digits

Created by: the cyclist

Tags digit increment

2

Solutions

26

Size

2

Solutions

26

Size

Problem 138. Number of 1s in the Binary Representation of a Number

Created by: @bmtran (Bryant Tran)

Tags binary, base, count

7

Solutions

31

Size

7

Solutions

31

Size

Problem 142. give nth decimal place of pi

Created by: AMITAVA BISWAS

Tags pi

1

Solution

18

Size

1

Solution

18

Size

Problem 146. Tune your guitar

Created by: the cyclist

Tags guitar string pun

3

Solutions

44

Size

3

Solutions

44

Size

Problem 147. Too mean-spirited

Created by: the cyclist

Tags mean

1

Solution

31

Size

1

Solution

31

Size

Problem 149. Is my wife right?

Created by: the cyclist

Tags easy, silly, fun

2

Solutions

10

Size

2

Solutions

10

Size

Problem 38. Return a list sorted by number of occurrences

Created by: Cody Team

Tags vectors, sorting

2

Solutions

32

Size

2

Solutions

32

Size

Problem 47. Extract leading non-zero digit

Created by: Cody Team

Tags math, maths, mathematics

1

Solution

51

Size

1

Solution

51

Size

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

Created by: Cody Team

Tags regexp, diff, strings

6

Solutions

27

Size

6

Solutions

27

Size

Problem 18. Bullseye Matrix

Created by: Cody Team

Tags matrices

3

Solutions

26

Size

3

Solutions

26

Size

Problem 48. Making change

Created by: Cody Team

Tags money, subs

2

Solutions

56

Size

2

Solutions

56

Size

Problem 42. Find the alphabetic word product

Created by: Cody Team

Tags matlab

1

Solution

18

Size

1

Solution

18

Size

Problem 94. Target sorting

Created by: Cody Team

Tags sorting, matlab

2

Solutions

26

Size

2

Solutions

26

Size

Problem 27. Pangrams!

Created by: Cody Team

Tags strings

3

Solutions

21

Size

3

Solutions

21

Size

Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

2

Solutions

32

Size

2

Solutions

32

Size

Problem 28. Counting Money

Created by: Cody Team

Tags regexp, strings

2

Solutions

26

Size

2

Solutions

26

Size

Problem 41. Cell joiner

Created by: Cody Team

Tags strings, matlab

2

Solutions

36

Size

2

Solutions

36

Size

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

Created by: Cody Team

Tags 3n+1, sample

1

Solution

64

Size

1

Solution

64

Size

Problem 39. Which values occur exactly three times?

Created by: Cody Team

Tags search

5

Solutions

25

Size

5

Solutions

25

Size

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

Created by: Chelsea

Tags indexing, find

2

Solutions

17

Size

2

Solutions

17

Size

Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

1

Solution

35

Size

1

Solution

35

Size

Problem 35. Quote Doubler

Created by: Cody Team

Tags regexp, strings, quotes

1

Solution

14

Size

1

Solution

14

Size

Problem 109. Check if sorted

Created by: AMITAVA BISWAS

Tags sort, basic matlab

1

Solution

12

Size

1

Solution

12

Size

Problem 106. Weighted average

Created by: Will

Tags average, weighted, poor_test_suite

1

Solution

15

Size

1

Solution

15

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

2

Solutions

13

Size

2

Solutions

13

Size

Problem 34. Binary numbers

Created by: Cody Team

Tags matlab

3

Solutions

33

Size

3

Solutions

33

Size

Problem 32. Most nonzero elements in row

Created by: Cody Team

Tags matrices

3

Solutions

19

Size

3

Solutions

19

Size

Problem 29. Nearest Numbers

Created by: Cody Team

Tags vectors, distance

1

Solution

55

Size

1

Solution

55

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

Created by: Cody Team

Tags easy, matrices

1

Solution

16

Size

1

Solution

16

Size

Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

3

Solutions

14

Size

3

Solutions

14

Size

Problem 11. Back and Forth Rows

Created by: Cody Team

Tags matrices

1

Solution

47

Size

1

Solution

47

Size

Problem 12. Fibonacci sequence

Created by: Cody Team

Tags sequences, fibonacci, siam

3

Solutions

16

Size

3

Solutions

16

Size

Problem 20. Summing digits

Created by: Cody Team

Tags strings, sum

2

Solutions

20

Size

2

Solutions

20

Size

Problem 23. Finding Perfect Squares

Created by: Cody Team

Tags sets

1

Solution

17

Size

1

Solution

17

Size

Problem 9. Who Has the Most Change?

Created by: Cody Team

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

3

Solutions

24

Size

3

Solutions

24

Size

Problem 10. Determine whether a vector is monotonically increasing

Created by: Cody Team

Tags vectors, matlab 101

3

Solutions

15

Size

3

Solutions

15

Size

Problem 19. Swap the first and last columns

Created by: Cody Team

Tags math, matlab 101, permutations

1

Solution

32

Size

1

Solution

32

Size

Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle, nice

2

Solutions

14

Size

2

Solutions

14

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

2

Solutions

19

Size

2

Solutions

19

Size

Problem 8. Add two numbers

Created by: Cody Team

Tags matlab 101, basic matlab, basics

1

Solution

13

Size

1

Solution

13

Size

Problem 7. Column Removal

Created by: Cody Team

Tags matlab 101, basic matlab

2

Solutions

15

Size

2

Solutions

15

Size

Problem 6. Select every other element of a vector

Created by: Cody Team

Tags vectors, matlab 101, indexing

2

Solutions

17

Size

2

Solutions

17

Size

Problem 26. Determine if input is odd

Created by: Cody Team

Tags easy, basic matlab, why matlab

4

Solutions

13

Size

4

Solutions

13

Size

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

Created by: Cody Team

Tags matlab 101, easy, vector

1

Solution

12

Size

1

Solution

12

Size

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

Created by: Cody Team

Tags basic, test, basics

1

Solution

11

Size

1

Solution

11

Size

Problem 4. Make a checkerboard matrix

Created by: Cody Team

Tags matrices, square

3

Solutions

14

Size

3

Solutions

14

Size

Problem 1. Times 2 - START HERE

Created by: Cody Team

Tags intro, math, easy

1

Solution

12

Size

1

Solution

12

Size

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