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1 – 50 of 180

Problem 470. Scoring for oriented dominoes

Created by: Doug Hull

Tags contest

3

Solutions

65

Size

3

Solutions

65

Size

Problem 1095. Circular Primes (based on Project Euler, problem 35)

Created by: James

Tags primes, projecteuler, circular reasoning

14

Solutions

84

Size

14

Solutions

84

Size

Problem 1096. Largest Twin Primes

Created by: Des Mc Manus

Tags primes

6

Solutions

43

Size

6

Solutions

43

Size

Problem 1567. Make a vector of prime numbers

Created by: Marek Kuklis

Tags matlab

2

Solutions

46

Size

2

Solutions

46

Size

Problem 525. Mersenne Primes

Created by: Drew Weymouth

Tags math, prime, integers

4

Solutions

50

Size

4

Solutions

50

Size

Problem 981. Find nearest prime number less than input number

Created by: Reza Ahmadzadeh

Tags math, prime numbers

7

Solutions

62

Size

7

Solutions

62

Size

Problem 896. Sophie Germain prime

Created by: Aurelien Queffurust

Tags prime, primes, sophie germain

2

Solutions

55

Size

2

Solutions

55

Size

Problem 1722. Find the next prime number

Created by: Chris E.

Tags prime

6

Solutions

45

Size

6

Solutions

45

Size

Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

13

Solutions

45

Size

13

Solutions

45

Size

Problem 2910. Mersenne Primes vs. All Primes

Created by: goc3

Tags primes, comparison, powers

2

Solutions

61

Size

2

Solutions

61

Size

Problem 235. Project Euler: Problem 4, Palindromic numbers

Created by: Doug Hull

Tags projecteuler

5

Solutions

68

Size

5

Solutions

68

Size

Problem 42340. Fibonacci Decomposition

Created by: Ned Gulley

Tags fibonacci

7

Solutions

201

Size

7

Solutions

201

Size

Problem 44481. How many Fibonacci numbers?

Created by: Bob Tivnan

Tags integers, fibonacci, #easy

2

Solutions

107

Size

2

Solutions

107

Size

Problem 1042. Operate on matrices of unequal, yet similar, size

Created by: J-G van der Toorn

Tags repmat, elementare operations, ops

2

Solutions

69

Size

2

Solutions

69

Size

Problem 44311. Number of Even Elements in Fibonacci Sequence

Created by: Mehmet OZC

Tags fibonacci, cody5, big number

4

Solutions

67

Size

4

Solutions

67

Size

Problem 1946. Fibonacci-Sum of Squares

Created by: Chris Cleveland

Tags fibonacci, sum of squares

1

Solution

73

Size

1

Solution

73

Size

Problem 1129. Reverse the elements of an array

Created by: HARISANKAR PS

Tags array reverse

1

Solution

12

Size

1

Solution

12

Size

Problem 858. Permute diagonal and antidiagonal

Created by: Jean-Marie Sainthillier

Tags matrix, diag

5

Solutions

51

Size

5

Solutions

51

Size

Problem 798. Rotate input square matrix 90 degrees CCW without rot90

Created by: Christopher

Tags matrix manipulation

6

Solutions

37

Size

6

Solutions

37

Size

Problem 794. Matrix with different incremental runs

Created by: Aurelien Queffurust

Tags matrix manipulation, increment

1

Solution

50

Size

1

Solution

50

Size

Problem 792. Set some matrix elements to zero

Created by: Aurelien Queffurust

Tags indexing, matrix

1

Solution

68

Size

1

Solution

68

Size

Problem 611. surrounded matrix

Created by: Grzegorz Knor

Tags matrices

1

Solution

48

Size

1

Solution

48

Size

Problem 545. Flip the main diagonal of a matrix

Created by: Bruce Raine

Tags magic, diagonal

1

Solution

76

Size

1

Solution

76

Size

Problem 497. Make an awesome ramp for a tiny motorcycle stuntman

Created by: Stephen

Tags stunt ramp

3

Solutions

47

Size

3

Solutions

47

Size

Problem 413. Back to basics 23 - Triangular matrix

Created by: Alan Chalker

Tags matrices, basic matlab, basics

1

Solution

10

Size

1

Solution

10

Size

Problem 411. Back to basics 21 - Matrix replicating

Created by: Alan Chalker

Tags matrices, basics

1

Solution

16

Size

1

Solution

16

Size

Problem 300. Remove NaN ?

Created by: Julio

Tags matrix, logical

1

Solution

35

Size

1

Solution

35

Size

Problem 112. Remove the air bubbles

Created by: Ned Gulley

Tags matrix manipulation, matrix

7

Solutions

129

Size

7

Solutions

129

Size

Problem 42318. Evened up (or not)

Created by: goc3

Tags even, odd

3

Solutions

76

Size

3

Solutions

76

Size

Problem 3077. Big numbers, least significant digits

Created by: Michael C.

Tags precision, powers

7

Solutions

53

Size

7

Solutions

53

Size

Problem 239. Project Euler: Problem 5, Smallest multiple

Created by: Doug Hull

Tags projecteuler

8

Solutions

23

Size

8

Solutions

23

Size

Problem 240. Project Euler: Problem 6, Natural numbers, squares and sums.

Created by: Doug Hull

Tags projecteuler

1

Solution

23

Size

1

Solution

23

Size

Problem 241. Project Euler: Problem 7, Nth prime

Created by: Doug Hull

Tags primes, projecteuler

5

Solutions

20

Size

5

Solutions

20

Size

Problem 246. Project Euler: Problem 8, Find largest product in a large string of numbers

Created by: Doug Hull

Tags projecteuler

2

Solutions

54

Size

2

Solutions

54

Size

Problem 249. Project Euler: Problem 9, Pythagorean numbers

Created by: Doug Hull

Tags projecteuler

2

Solutions

53

Size

2

Solutions

53

Size

Problem 234. Project Euler: Problem 3, Largest prime factor

Created by: Doug Hull

Tags projecteuler

3

Solutions

33

Size

3

Solutions

33

Size

Problem 232. Project Euler: Problem 2, Sum of even Fibonacci

Created by: Cody Team

Tags projecteuler, fibonacci

4

Solutions

55

Size

4

Solutions

55

Size

Problem 230. Project Euler: Problem 1, Multiples of 3 and 5

Created by: Doug Hull

Tags projecteuler

1

Solution

48

Size

1

Solution

48

Size

Problem 250. Project Euler: Problem 10, Sum of Primes

Created by: Doug Hull

Tags projecteuler, basic matlab

1

Solution

12

Size

1

Solution

12

Size

Problem 44646. Draw a 'Z'.

Created by: Majid Farzaneh

Tags matrix, character, z

1

Solution

28

Size

1

Solution

28

Size

Problem 44652. Draw a 'X'!

Created by: Majid Farzaneh

Tags basic, matrix, x

3

Solutions

32

Size

3

Solutions

32

Size

Problem 44666. Draw 'O' !

Created by: Majid Farzaneh

Tags matrix, o, draw

1

Solution

27

Size

1

Solution

27

Size

Problem 44656. Draw a 'N'!

Created by: Majid Farzaneh

Tags matrix, draw, n

1

Solution

42

Size

1

Solution

42

Size

Problem 44686. Draw 'J'

Created by: Majid Farzaneh

Tags matrix, character, j

5

Solutions

38

Size

5

Solutions

38

Size

Problem 44667. Draw 'I'

Created by: Majid Farzaneh

Tags matrix, draw, i

2

Solutions

44

Size

2

Solutions

44

Size

Problem 44681. Draw 'H'

Created by: Majid Farzaneh

Tags matrix, draw, h

1

Solution

41

Size

1

Solution

41

Size

Problem 44680. Draw 'F'

Created by: Majid Farzaneh

Tags matrix, f, draw

1

Solution

41

Size

1

Solution

41

Size

Problem 44679. Draw 'E'

Created by: Majid Farzaneh

Tags matrix, e, draw

1

Solution

48

Size

1

Solution

48

Size

Problem 44673. Draw 'D'.

Created by: Majid Farzaneh

Tags matrix, d, draw

1

Solution

52

Size

1

Solution

52

Size

Problem 44672. Draw 'C'.

Created by: Majid Farzaneh

Tags matrix, c, draw

1

Solution

41

Size

1

Solution

41

Size

1 – 50 of 180