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1 – 47 of 47

Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

1

Solution

102

Size

1

Solution

102

Size

Problem 61. Find state names that end with the letter A

Created by: Cody Team

Tags regexp, states

4

Solutions

197

Size

4

Solutions

197

Size

Problem 62. Elapsed Time

Created by: Cody Team

Tags time

1

Solution

20

Size

1

Solution

20

Size

Problem 63. Encode Roman Numerals

Created by: Cody Team

Tags encoding

1

Solution

344

Size

1

Solution

344

Size

Problem 64. The Goldbach Conjecture, Part 2

Created by: Cody Team

Tags primes

1

Solution

101

Size

1

Solution

101

Size

Problem 65. Word Counting and Indexing

Created by: Cody Team

Tags strings

5

Solutions

208

Size

5

Solutions

208

Size

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

Created by: Dimitris Kaliakmanis

Tags math, basic matlab

1

Solution

16

Size

1

Solution

16

Size

Problem 9. Who Has the Most Change?

Created by: Cody Team

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

2

Solutions

39

Size

2

Solutions

39

Size

Problem 20. Summing digits

Created by: Cody Team

Tags strings, sum

1

Solution

74

Size

1

Solution

74

Size

Problem 66. Find the two-word state names

Created by: Cody Team

Tags regexp, states

6

Solutions

188

Size

6

Solutions

188

Size

Problem 67. Find common elements in matrix rows

Created by: Cody Team

Tags matlab

4

Solutions

105

Size

4

Solutions

105

Size

Problem 68. Kaprekar Steps

Created by: Cody Team

Tags matlab, lookup table, poor_problem_statement

2

Solutions

174

Size

2

Solutions

174

Size

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

Created by: Cody Team

Tags 3n+1, sample

5

Solutions

63

Size

5

Solutions

63

Size

Problem 69. Find the peak 3n+1 sequence value

Created by: Cody Team

Tags 3n+1

2

Solutions

110

Size

2

Solutions

110

Size

Problem 70. Alphabetize by last name

Created by: Cody Team

Tags regexp, sorting

5

Solutions

150

Size

5

Solutions

150

Size

Problem 71. Read a column of numbers and interpolate missing data

Created by: Cody Team

Tags data cleaning, average

1

Solution

186

Size

1

Solution

186

Size

Problem 568. Number of 1s in a binary string

Created by: Srivardhini

Tags binary, sum

1

Solution

14

Size

1

Solution

14

Size

Problem 108. Given an unsigned integer x, find the largest y by rearranging the bits in x

Created by: AMITAVA BISWAS

Tags binary

1

Solution

17

Size

1

Solution

17

Size

Problem 72. Interpolator

Created by: Cody Team

Tags interpolation

1

Solution

210

Size

1

Solution

210

Size

Problem 32. Most nonzero elements in row

Created by: Cody Team

Tags matrices

1

Solution

28

Size

1

Solution

28

Size

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

Created by: Cody Team

Tags easy, matrices

1

Solution

26

Size

1

Solution

26

Size

Problem 1193. Insert zeros into vector

Created by: Selvaraaju Murugesan

Tags basic matlab

1

Solution

27

Size

1

Solution

27

Size

Problem 25. Remove any row in which a NaN appears

Created by: Cody Team

Tags matlab 101, siam

2

Solutions

44

Size

2

Solutions

44

Size

Problem 1192. Say something funny

Created by: Alfonso Nieto-Castanon

Tags funny

1

Solution

9

Size

1

Solution

9

Size

Problem 23. Finding Perfect Squares

Created by: Cody Team

Tags sets

1

Solution

31

Size

1

Solution

31

Size

Problem 359. Back to basics 14 - Keywords

Created by: Alan Chalker

Tags basic matlab, basics

1

Solution

12

Size

1

Solution

12

Size

Problem 838. Check if number exists in vector

Created by: Nichlas

Tags vectors, basic matlab

1

Solution

15

Size

1

Solution

15

Size

Problem 1674. How many jokers?

Created by: AMITAVA BISWAS

Tags easy, simple

1

Solution

15

Size

1

Solution

15

Size

Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

2

Solutions

32

Size

2

Solutions

32

Size

Problem 106. Weighted average

Created by: Will

Tags average, weighted, poor_test_suite

2

Solutions

19

Size

2

Solutions

19

Size

Problem 10. Determine whether a vector is monotonically increasing

Created by: Cody Team

Tags vectors, matlab 101

1

Solution

20

Size

1

Solution

20

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 1529. Sum the numbers on the main diagonal

Created by: Tomasz Jakub

Tags basic matlab, diagonal, basics

1

Solution

29

Size

1

Solution

29

Size

Problem 4. Make a checkerboard matrix

Created by: Cody Team

Tags matrices, square

1

Solution

42

Size

1

Solution

42

Size

Problem 149. Is my wife right?

Created by: the cyclist

Tags easy, silly, fun

1

Solution

10

Size

1

Solution

10

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

48

Size

2

Solutions

48

Size

Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle, nice

3

Solutions

16

Size

3

Solutions

16

Size

Problem 7. Column Removal

Created by: Cody Team

Tags matlab 101, basic matlab

3

Solutions

29

Size

3

Solutions

29

Size

Problem 322. Number of Circles in a Number

Created by: @bmtran (Bryant Tran)

Tags numbers, facebook, preschool

3

Solutions

40

Size

3

Solutions

40

Size

Problem 167. Pizza!

Created by: the cyclist

Tags fun, pizza, good

1

Solution

18

Size

1

Solution

18

Size

Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

3

Solutions

27

Size

3

Solutions

27

Size

Problem 6. Select every other element of a vector

Created by: Cody Team

Tags vectors, matlab 101, indexing

1

Solution

18

Size

1

Solution

18

Size

Problem 26. Determine if input is odd

Created by: Cody Team

Tags easy, basic matlab, why matlab

1

Solution

13

Size

1

Solution

13

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

Created by: Cody Team

Tags matlab 101, easy, vector

5

Solutions

12

Size

5

Solutions

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

8

Solutions

11

Size

8

Solutions

11

Size

Problem 1. Times 2 - START HERE

Created by: Cody Team

Tags intro, math, easy

9

Solutions

12

Size

9

Solutions

12

Size

1 – 47 of 47