Tim - MATLAB Cody - MATLAB Central

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Problem 60855. What kind of triangle?

Created by: Roie Knaanie

Tags triangle, logical, basic matlab

1

Solution

37

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1

Solution

37

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Problem 60841. Count Vowels at Even Indices

Created by: Rahul

Tags string manipulation, array

1

Solution

24

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1

Solution

24

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Problem 60853. Check if a Number is a Palindrome Without Converting to String

Created by: Abhishek

Tags logic, numbers

1

Solution

29

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1

Solution

29

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Problem 60852. Zero Out Negative Elements

Created by: Shravani

Tags #array-manipulation

1

Solution

11

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1

Solution

11

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Problem 60851. Find the closest e-abundant numbers

Created by: ChrisR

Tags number theory, sequence

1

Solution

110

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1

Solution

110

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Problem 60849. Permuted Multiples: Project Euler Problem 52

Created by: Basil Imoberdorf

Tags projecteuler, permu

1

Solution

43

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1

Solution

43

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Problem 60846. List e-perfect numbers

Created by: ChrisR

Tags number theory, sequence

2

Solutions

66

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2

Solutions

66

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Problem 60845. Sum powers of e-divisors

Created by: ChrisR

Tags primes, number theory, sequence

1

Solution

65

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1

Solution

65

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Problem 60844. Count the e-divisors of an integer

Created by: ChrisR

Tags primes, number theory, factorization

1

Solution

39

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1

Solution

39

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Problem 60843. Determine the e-divisors of an integer

Created by: ChrisR

Tags primes, number theory, factorization

1

Solution

48

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1

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48

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Problem 60839. List the notes of a major scale

Created by: ChrisR

Tags music, pattern, scales

1

Solution

67

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1

Solution

67

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Problem 60830. Compute the saturation concentration for dissolved oxygen in water

Created by: ChrisR

Tags ce 5720, streeter-phelps, curve fit

1

Solution

60

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1

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60

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Problem 60834. Bell 202 Decoder

Created by: David Hill

Tags afsk, bell202

1

Solution

45

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1

Solution

45

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Problem 2056. Is this number Munchhausen?

Created by: Ted

Tags math, narcissistic number, munchhausen

1

Solution

23

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1

Solution

23

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Problem 60791. Sum of Even Fibonacci Numbers

Created by: karthik kumar k

Tags fibonacci, mathematics, loops

1

Solution

32

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1

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32

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Problem 60790. Implement Shor's algorithm

Created by: Christian Schröder

Tags shor, factoring

1

Solution

135

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1

Solution

135

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Problem 60788. Construct the number counts sequence

Created by: ChrisR

Tags sequence, inventory

1

Solution

62

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1

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62

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Problem 60787. List the first of three consecutive square-free numbers

Created by: ChrisR

Tags factor, sequence, mobius

1

Solution

49

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1

Solution

49

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Problem 60782. Convert integers from primary notation to base 10

Created by: ChrisR

Tags conversion, number theory

2

Solutions

30

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2

Solutions

30

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Problem 60786. Count the primes resulting from changing one digit of a number

Created by: ChrisR

Tags primes, strings, sequence

2

Solutions

67

Size

2

Solutions

67

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Problem 60785. Solve an easy binary puzzle

Created by: ChrisR

Tags matrix manipulation, puzzle, strfind

1

Solution

89

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1

Solution

89

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Problem 60783. Convert integers from base 10 to proper primary notation

Created by: ChrisR

Tags conversion, number theory

1

Solution

264

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1

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264

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Problem 60784. Indicate how the Prague astronomical clock strikes the hours

Created by: ChrisR

Tags strings, sum, sequence

1

Solution

49

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1

Solution

49

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Problem 60780. Play Hocus Focus

Created by: ChrisR

Tags matrix manipulation, games

1

Solution

23

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1

Solution

23

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Problem 60781. Express integers in negabinary

Created by: ChrisR

Tags base, number theory, sequence

1

Solution

68

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1

Solution

68

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Problem 154. Reverse Boggle

Created by: @bmtran (Bryant Tran)

Tags boggle, word game, solver

1

Solution

62

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1

Solution

62

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Problem 60778. Complete hydraulic geometry relations

Created by: ChrisR

Tags fluid mechanics, rivers

1

Solution

34

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1

Solution

34

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Problem 57869. Identify de Polignac numbers

Created by: ChrisR

Tags primes, number theory, sequence

1

Solution

21

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1

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21

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Problem 44403. Goldbach's marginal conjecture - Write integer as sum of three primes

Created by: yurenchu

Tags primes, goldbach conjecture

1

Solution

38

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1

Solution

38

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Problem 43754. Lah Numbers

Created by: JD

Tags 3functions, lah numbers

1

Solution

46

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1

Solution

46

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Problem 43016. Find the next Fibonacci number

Created by: Steven Van Vaerenbergh

Tags fibonacci

2

Solutions

19

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2

Solutions

19

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Problem 60764. Determine whether a number is a Ludic prime

Created by: ChrisR

Tags primes, sequence, sieve

1

Solution

60

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1

Solution

60

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Problem 60765. Identify points inside a Reuleaux triangle

Created by: ChrisR

Tags geometry

1

Solution

33

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1

Solution

33

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Problem 60760. Find the closest canyon prime

Created by: ChrisR

Tags primes, sequence, anniversary

1

Solution

81

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1

Solution

81

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Problem 60757. Build a block Toeplitz matrix

Created by: Matt J

Tags block topelitz

1

Solution

18

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1

Solution

18

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Problem 60758. List composite numbers that do not contain their prime factors as substrings

Created by: ChrisR

Tags primes, strings, sequence

1

Solution

81

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1

Solution

81

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Problem 60759. Sum along each diagonal of a matrix

Created by: Matt J

Tags sum, diagonal

1

Solution

13

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1

Solution

13

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Problem 60753. 2x2 binning of a large sparse matrix

Created by: Matt J

Tags sparse, binning

1

Solution

42

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1

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42

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Problem 44288. Throwing Dice - Will You Be Eaten By The Dragon?

Created by: Erin

Tags dice, probability, games

1

Solution

13

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1

Solution

13

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Problem 60751. List the partitions of an integer

Created by: ChrisR

Tags number theory

1

Solution

99

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1

Solution

99

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Problem 60749. Compute the dispersion coefficient

Created by: ChrisR

Tags integration, river mixing, shear dispersion

1

Solution

30

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1

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30

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Problem 60747. Describe n from right to left

Created by: ChrisR

Tags string, sequence

3

Solutions

59

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3

Solutions

59

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Problem 60748. Extend the digamma function to negative arguments

Created by: ChrisR

Tags reflection, special functions

1

Solution

26

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1

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26

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Problem 60746. List Ormiston prime pairs

Created by: ChrisR

Tags primes, mod, sequence

1

Solution

56

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1

Solution

56

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Problem 60744. Moyenne pondérée

Created by: Yannis Cuypers

Tags #2ee104

1

Solution

16

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1

Solution

16

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Problem 60739. Explore the twin prime Goldbach conjecture

Created by: ChrisR

Tags primes, numberphile

1

Solution

49

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1

Solution

49

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Problem 59671. Write a code to implement Euler's method to integrate a simple function

Created by: Ryan

Tags approximation, numerical integration, euler

1

Solution

53

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1

Solution

53

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Problem 58144. Given the mass and stiffness of an undamped SDOF system, find the natural frequency and the natural period of vibration

Created by: cdawg

Tags easy, stiffness, mass

1

Solution

29

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1

Solution

29

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Problem 55920. Juros Simples

Created by: Gustavo Oliveira

Tags function

1

Solution

19

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1

Solution

19

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Problem 54595. String Logic 18

Created by: Athi

Tags logic, string

1

Solution

15

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1

Solution

15

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