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1 – 50 of 322

Problem 2056. Is this number Munchhausen?

Created by: Ted

Tags math, narcissistic number, munchhausen

1

Solution

51

Size

1

Solution

51

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Problem 2593. Polite numbers. N-th polite number.

Created by: Jan Orwat

Tags number theory, a138591

1

Solution

22

Size

1

Solution

22

Size

Problem 2595. Polite numbers. Politeness.

Created by: Jan Orwat

Tags number theory, oeis

1

Solution

46

Size

1

Solution

46

Size

Problem 2690. Armstrong Number

Created by: VIVEK RUHELA

Tags arithmetic, basic matlab

1

Solution

25

Size

1

Solution

25

Size

Problem 535. Rotate and display numbered tile

Created by: Ned Gulley

Tags strings, contest

1

Solution

95

Size

1

Solution

95

Size

Problem 2733. Evil Number

Created by: Jan Orwat

Tags easy, number theory, oeis

1

Solution

51

Size

1

Solution

51

Size

Problem 166. Kaprekar numbers

Created by: the cyclist

Tags kaprekar

1

Solution

38

Size

1

Solution

38

Size

Problem 54440. Create an arrow matrix

Created by: Ben Placek

Tags matrices, indexing, matrix

1

Solution

41

Size

1

Solution

41

Size

Problem 55235. Determine if x is a combination of m and n

Created by: Renee Coetsee

Tags math, vector, matrix

1

Solution

28

Size

1

Solution

28

Size

Problem 2064. Generate this matrix

Created by: Sabarinathan Vadivelu

Tags computation

1

Solution

64

Size

1

Solution

64

Size

Problem 55250. Find the minimum of the column-maximums of a matrix

Created by: Matt Tearle

Tags matrix, statistics

1

Solution

15

Size

1

Solution

15

Size

Problem 55240. Calculate the mean of each half of a matrix

Created by: Matt Tearle

Tags matrix

1

Solution

38

Size

1

Solution

38

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Problem 55230. Find Closest Constant

Created by: Renee Coetsee

Tags math, vector, matrix

1

Solution

53

Size

1

Solution

53

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Problem 55220. Matrix Quadrants

Created by: Renee Coetsee

Tags matrix, concatenation, array creation

1

Solution

51

Size

1

Solution

51

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Problem 56283. Determine if Input is Oddish or Evenish (Odd/Even Sum of Digits)

Created by: Matt Tearle

Tags math, numbers

1

Solution

52

Size

1

Solution

52

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Problem 2869. There are 10 types of people in the world

Created by: James

Tags binary, palindromes

2

Solutions

36

Size

2

Solutions

36

Size

Problem 43977. Converting binary to decimals

Created by: Nadhirah Nordin

Tags binary, test, basics

2

Solutions

12

Size

2

Solutions

12

Size

Problem 2891. Binary code (array)

Created by: Yannick

Tags binary, vector, basic matlab

2

Solutions

44

Size

2

Solutions

44

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Problem 1547. Relative ratio of "1" in binary number

Created by: Marek Kuklis

Tags matlab, binary

2

Solutions

40

Size

2

Solutions

40

Size

Problem 1295. Bit Reversal

Created by: @bmtran (Bryant Tran)

Tags plus15, bit reversal

2

Solutions

10

Size

2

Solutions

10

Size

Problem 34. Binary numbers

Created by: Cody Team

Tags matlab

2

Solutions

57

Size

2

Solutions

57

Size

Problem 8057. (Linear) Recurrence Equations - Generalised Fibonacci-like sequences

Created by: Jan Orwat

Tags sequences, fibonacci, recurrence

5

Solutions

132

Size

5

Solutions

132

Size

Problem 300. Remove NaN ?

Created by: Julio

Tags matrix, logical

2

Solutions

23

Size

2

Solutions

23

Size

Problem 112. Remove the air bubbles

Created by: Ned Gulley

Tags matrix manipulation, matrix

2

Solutions

111

Size

2

Solutions

111

Size

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

Created by: James

Tags primes, projecteuler, circular reasoning

1

Solution

68

Size

1

Solution

68

Size

Problem 60. The Goldbach Conjecture

Created by: Cody Team

Tags primes

2

Solutions

44

Size

2

Solutions

44

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Problem 556. Stuff the Board

Created by: Ned Gulley

Tags contest, poor_test_suite

1

Solution

80

Size

1

Solution

80

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Problem 492. Find best placement for ordered dominoes (harder)

Created by: Doug Hull

Tags contest

2

Solutions

112

Size

2

Solutions

112

Size

Problem 487. Find perfect placement of non-rotating dominoes (easier)

Created by: Doug Hull

Tags contest

2

Solutions

112

Size

2

Solutions

112

Size

Problem 470. Scoring for oriented dominoes

Created by: Doug Hull

Tags contest

2

Solutions

69

Size

2

Solutions

69

Size

Problem 558. Is the Point in a Triangle?

Created by: Kuifeng

Tags circle

19

Solutions

104

Size

19

Solutions

104

Size

Problem 672. Longest run of consecutive numbers

Created by: James

Tags vectors, consecutive, repeating

2

Solutions

145

Size

2

Solutions

145

Size

Problem 44960. Rescale Scores

Created by: Pooja Lalan

Tags indexing, matrix manipulation, modify matrix

1

Solution

23

Size

1

Solution

23

Size

Problem 44952. Find MPG of Lightest Cars

Created by: Pooja Lalan

Tags indexing, sorting, table

1

Solution

33

Size

1

Solution

33

Size

Problem 44958. Crop an Image

Created by: Pooja Lalan

Tags indexing, matrix manipulation, image

1

Solution

29

Size

1

Solution

29

Size

Problem 44934. Plot Damped Sinusoid

Created by: Pooja Lalan

Tags plot, linespec

1

Solution

26

Size

1

Solution

26

Size

Problem 44948. Calculate a Damped Sinusoid

Created by: Pooja Lalan

Tags vectors, array operations, linearly spaced vectors

6

Solutions

39

Size

6

Solutions

39

Size

Problem 44951. Verify Law of Large Numbers

Created by: Pooja Lalan

Tags rand, random integers

1

Solution

23

Size

1

Solution

23

Size

Problem 148. Factorize THIS, buddy

Created by: the cyclist

Tags easy prime, basic matlab

1

Solution

59

Size

1

Solution

59

Size

Problem 43269. Get all prime factors

Created by: Jamil Kasan

Tags primes, factorization

1

Solution

15

Size

1

Solution

15

Size

Problem 191. Proper Factors

Created by: @bmtran (Bryant Tran)

Tags proper factors

1

Solution

52

Size

1

Solution

52

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Problem 1066. Multiples of a Number in a Given Range

Created by: @bmtran (Bryant Tran)

Tags factor, plus15, colon

1

Solution

60

Size

1

Solution

60

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Problem 83. Prime factor digits

Created by: Cody Team

Tags primes

1

Solution

52

Size

1

Solution

52

Size

Problem 365. Numbers with prime factors 2, 3 and 5.

Created by: elias GR

Tags primes, factors

1

Solution

141

Size

1

Solution

141

Size

Problem 164. Right and wrong

Created by: the cyclist

Tags triangle

1

Solution

33

Size

1

Solution

33

Size

Problem 198. Are you in or are you out?

Created by: the cyclist

Tags polygon, basics, poor_test_suite

1

Solution

62

Size

1

Solution

62

Size

Problem 330. Circumscribed circles

Created by: Alan Chalker

Tags geometry

1

Solution

57

Size

1

Solution

57

Size

Problem 336. Similar Triangles - find the height of the tree

Created by: Bruce Raine

Tags multiplication, arithmetic, geometry

2

Solutions

19

Size

2

Solutions

19

Size

Problem 381. Angle between two vectors

Created by: Aurelien Queffurust

Tags vectors, geometry, angle

1

Solution

35

Size

1

Solution

35

Size

Problem 450. What is the distance from point P(x,y) to the line Ax + By + C = 0?

Created by: Bruce Raine

Tags distance, pythagoras, orthogonal

1

Solution

34

Size

1

Solution

34

Size

1 – 50 of 322