Stephen Cohen

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1 – 46 of 46

Problem 44387. Birthday cake

Created by: Matthew Eicholtz

Tags geometry, cody5:hard

27

Solutions

43

Size

27

Solutions

43

Size

Problem 44310. Digit concentration in Champernowne's constant

Created by: Mehmet OZC

Tags cody5, champernowne's constant, big number

5

Solutions

28

Size

5

Solutions

28

Size

Problem 44386. Circumscribed Pentagon?

Created by: goc3

Tags geometry, circle, circumscribe

9

Solutions

64

Size

9

Solutions

64

Size

Problem 44353. Group-wise Euclidean distance

Created by: Peng Liu

Tags speed, cody5

12

Solutions

7

Size

12

Solutions

7

Size

Problem 44365. An asteroid and a spacecraft

Created by: AMITAVA BISWAS

Tags projectile, mechanics, cody5

3

Solutions

63

Size

3

Solutions

63

Size

Problem 281. Acid and water

Created by: AMITAVA BISWAS

Tags cody5, exponential decay, fluid mixture

14

Solutions

18

Size

14

Solutions

18

Size

Problem 44337. Sums of Distinct Powers

Created by: James

Tags binary, cody5, distinct powers

3

Solutions

19

Size

3

Solutions

19

Size

Problem 44381. Cache me Outside

Created by: @bmtran (Bryant Tran)

Tags cody5, memoize

3

Solutions

10

Size

3

Solutions

10

Size

"Cody" * 5 == "CodyCodyCodyCodyCody"

Created by: Peng Liu

Tags multiplication, string, cody5

10

Solutions

25

Size

10

Solutions

25

Size

Problem 44359. 5th Time's a Charm

Created by: goc3

Tags approximation, cody5, five

9

Solutions

23

Size

9

Solutions

23

Size

Problem 44311. Number of Even Elements in Fibonacci Sequence

Created by: Mehmet OZC

Tags fibonacci, cody5, big number

1

Solution

12

Size

1

Solution

12

Size

Problem 44344. The 5th Root

Created by: goc3

Tags root, power, cody5

2

Solutions

14

Size

2

Solutions

14

Size

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

Created by: Cody Team

Tags regexp, diff, strings

3

Solutions

15

Size

3

Solutions

15

Size

Problem 42. Find the alphabetic word product

Created by: Cody Team

Tags matlab

2

Solutions

14

Size

2

Solutions

14

Size

Problem 41. Cell joiner

Created by: Cody Team

Tags strings, matlab

2

Solutions

12

Size

2

Solutions

12

Size

Problem 37. Pascal's Triangle

Created by: Cody Team

Tags math, combinatorics

4

Solutions

13

Size

4

Solutions

13

Size

Problem 29. Nearest Numbers

Created by: Cody Team

Tags vectors, distance

10

Solutions

43

Size

10

Solutions

43

Size

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

Created by: Cody Team

Tags vectors

4

Solutions

23

Size

4

Solutions

23

Size

Problem 18. Bullseye Matrix

Created by: Cody Team

Tags matrices

5

Solutions

39

Size

5

Solutions

39

Size

Problem 94. Target sorting

Created by: Cody Team

Tags sorting, matlab

2

Solutions

24

Size

2

Solutions

24

Size

Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

13

Solutions

31

Size

13

Solutions

31

Size

Problem 39. Which values occur exactly three times?

Created by: Cody Team

Tags search

8

Solutions

19

Size

8

Solutions

19

Size

Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

6

Solutions

12

Size

6

Solutions

12

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

11

Size

2

Solutions

11

Size

Problem 20. Summing digits

Created by: Cody Team

Tags strings, sum

5

Solutions

16

Size

5

Solutions

16

Size

Problem 9. Who Has the Most Change?

Created by: Cody Team

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

5

Solutions

22

Size

5

Solutions

22

Size

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

Created by: Cody Team

Tags 3n+1, sample

9

Solutions

37

Size

9

Solutions

37

Size

Problem 11. Back and Forth Rows

Created by: Cody Team

Tags matrices

3

Solutions

41

Size

3

Solutions

41

Size

Problem 32. Most nonzero elements in row

Created by: Cody Team

Tags matrices

4

Solutions

19

Size

4

Solutions

19

Size

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

Created by: Cody Team

Tags easy, matrices

1

Solution

14

Size

1

Solution

14

Size

Problem 25. Remove any row in which a NaN appears

Created by: Cody Team

Tags matlab 101, siam

4

Solutions

10

Size

4

Solutions

10

Size

Problem 23. Finding Perfect Squares

Created by: Cody Team

Tags sets

1

Solution

15

Size

1

Solution

15

Size

Problem 33. Create times-tables

Created by: Cody Team

Tags matrices

1

Solution

17

Size

1

Solution

17

Size

Problem 12. Fibonacci sequence

Created by: Cody Team

Tags sequences, fibonacci, siam

5

Solutions

20

Size

5

Solutions

20

Size

Problem 10. Determine whether a vector is monotonically increasing

Created by: Cody Team

Tags vectors, matlab 101

1

Solution

16

Size

1

Solution

16

Size

Problem 19. Swap the first and last columns

Created by: Cody Team

Tags math, matlab 101, permutations

5

Solutions

24

Size

5

Solutions

24

Size

Problem 4. Make a checkerboard matrix

Created by: Cody Team

Tags matrices, square

2

Solutions

36

Size

2

Solutions

36

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

23

Size

2

Solutions

23

Size

Problem 5. Triangle Numbers

Created by: Cody Team

Tags math, triangle, nice

3

Solutions

17

Size

3

Solutions

17

Size

Problem 7. Column Removal

Created by: Cody Team

Tags matlab 101, basic matlab

3

Solutions

19

Size

3

Solutions

19

Size

Problem 6. Select every other element of a vector

Created by: Cody Team

Tags vectors, matlab 101, indexing

1

Solution

17

Size

1

Solution

17

Size

Problem 26. Determine if input is odd

Created by: Cody Team

Tags easy, basic matlab, why matlab

7

Solutions

13

Size

7

Solutions

13

Size

Problem 8. Add two numbers

Created by: Cody Team

Tags matlab 101, basic matlab, basics

5

Solutions

13

Size

5

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 1. Times 2 - START HERE

Created by: Cody Team

Tags intro, math, easy

3

Solutions

12

Size

3

Solutions

12

Size

1 – 46 of 46