Tobias Otto

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1 – 50 of 59

Problem 44385. Extra safe primes

Created by: Matthew Eicholtz

Tags prime numbers, cody5, safe prime

3

Solutions

42

Size

3

Solutions

42

Size

Problem 44360. Pentagonal Numbers

Created by: goc3

Tags series, number, sequence

2

Solutions

49

Size

2

Solutions

49

Size

Problem 2736. Pernicious Anniversary Problem

Created by: Jan Orwat

Tags easy, sequences, oeis

1

Solution

20

Size

1

Solution

20

Size

Problem 44349. Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock.

Created by: James

Tags time, cody5

1

Solution

39

Size

1

Solution

39

Size

Problem 564. How to subtract?

Created by: AMITAVA BISWAS

Tags addition, cody5, X-Y

1

Solution

20

Size

1

Solution

20

Size

Problem 748. Wrapping the Tower of Pisa

Created by: Paul Lambrechts

Tags fun, pizza, paper

1

Solution

21

Size

1

Solution

21

Size

Problem 1193. Insert zeros into vector

Created by: Selvaraaju Murugesan

Tags basic matlab

1

Solution

34

Size

1

Solution

34

Size

Problem 1258. Create matrix of replicated elements

Created by: Jeremy

Tags easy, matlab, matrix

2

Solutions

16

Size

2

Solutions

16

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 18. Bullseye Matrix

Created by: Cody Team

Tags matrices

1

Solution

49

Size

1

Solution

49

Size

Problem 128. Sorted highest to lowest?

Created by: AMITAVA BISWAS

Tags sort, basic matlab, basics

1

Solution

14

Size

1

Solution

14

Size

Problem 126. Filter AC, pass DC

Created by: AMITAVA BISWAS

Tags acdc, basic matlab

1

Solution

19

Size

1

Solution

19

Size

Problem 120. radius of a spherical planet

Created by: AMITAVA BISWAS

Tags planet, geometry, space

1

Solution

18

Size

1

Solution

18

Size

Problem 127. DC chopper

Created by: AMITAVA BISWAS

Tags acdc

1

Solution

32

Size

1

Solution

32

Size

Problem 180. Omit columns averages from a matrix

Created by: Roy Fahn

Tags columns, matrix

2

Solutions

21

Size

2

Solutions

21

Size

Problem 233. Reverse the vector

Created by: Vishwanathan Iyer

Tags matlab 101, handling vectors, basics

1

Solution

18

Size

1

Solution

18

Size

Problem 49. Sums with Excluded Digits

Created by: Cody Team

Tags strings

1

Solution

58

Size

1

Solution

58

Size

Problem 38. Return a list sorted by number of occurrences

Created by: Cody Team

Tags vectors, sorting

1

Solution

47

Size

1

Solution

47

Size

Problem 86. Renaming a field in a structure array

Created by: Cody Team

Tags matlab

2

Solutions

35

Size

2

Solutions

35

Size

Problem 125. Remove DC

Created by: AMITAVA BISWAS

Tags acdc, poor_test_suite

1

Solution

14

Size

1

Solution

14

Size

Problem 57. Summing Digits within Text

Created by: Cody Team

Tags strings

1

Solution

18

Size

1

Solution

18

Size

Problem 31. Remove all the words that end with "ain"

Created by: Cody Team

Tags matlab 101, regexp, strings

2

Solutions

16

Size

2

Solutions

16

Size

Problem 167. Pizza!

Created by: the cyclist

Tags fun, pizza, good

1

Solution

18

Size

1

Solution

18

Size

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

Created by: Cody Team

Tags easy, matrices

1

Solution

23

Size

1

Solution

23

Size

Problem 94. Target sorting

Created by: Cody Team

Tags sorting, matlab

1

Solution

27

Size

1

Solution

27

Size

Problem 73. Replace NaNs with the number that appears to its left in the row.

Created by: Cody Team

Tags matlab

1

Solution

38

Size

1

Solution

38

Size

Problem 9. Who Has the Most Change?

Created by: Cody Team

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

2

Solutions

24

Size

2

Solutions

24

Size

Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

1

Solution

52

Size

1

Solution

52

Size

Problem 42. Find the alphabetic word product

Created by: Cody Team

Tags matlab

3

Solutions

23

Size

3

Solutions

23

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

18

Size

1

Solution

18

Size

Problem 13. Remove all the consonants

Created by: Cody Team

Tags regexp, basics

3

Solutions

22

Size

3

Solutions

22

Size

Problem 149. Is my wife right?

Created by: the cyclist

Tags easy, silly, fun

1

Solution

10

Size

1

Solution

10

Size

Problem 39. Which values occur exactly three times?

Created by: Cody Team

Tags search

2

Solutions

44

Size

2

Solutions

44

Size

Problem 41. Cell joiner

Created by: Cody Team

Tags strings, matlab

6

Solutions

40

Size

6

Solutions

40

Size

Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

1

Solution

25

Size

1

Solution

25

Size

Problem 109. Check if sorted

Created by: AMITAVA BISWAS

Tags sort, basic matlab

2

Solutions

16

Size

2

Solutions

16

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

3

Solutions

23

Size

3

Solutions

23

Size

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

Created by: Cody Team

Tags 3n+1, sample

1

Solution

44

Size

1

Solution

44

Size

Problem 11. Back and Forth Rows

Created by: Cody Team

Tags matrices

1

Solution

39

Size

1

Solution

39

Size

Problem 34. Binary numbers

Created by: Cody Team

Tags matlab

2

Solutions

57

Size

2

Solutions

57

Size

Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

4

Solutions

18

Size

4

Solutions

18

Size

Problem 32. Most nonzero elements in row

Created by: Cody Team

Tags matrices

2

Solutions

19

Size

2

Solutions

19

Size

Problem 25. Remove any row in which a NaN appears

Created by: Cody Team

Tags matlab 101, siam

1

Solution

21

Size

1

Solution

21

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

3

Solutions

39

Size

3

Solutions

39

Size

Problem 12. Fibonacci sequence

Created by: Cody Team

Tags sequences, fibonacci, siam

4

Solutions

34

Size

4

Solutions

34

Size

Problem 106. Weighted average

Created by: Will

Tags average, weighted, poor_test_suite

1

Solution

15

Size

1

Solution

15

Size

Problem 10. Determine whether a vector is monotonically increasing

Created by: Cody Team

Tags vectors, matlab 101

3

Solutions

16

Size

3

Solutions

16

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 4. Make a checkerboard matrix

Created by: Cody Team

Tags matrices, square

3

Solutions

64

Size

3

Solutions

64

Size

1 – 50 of 59