David Hill

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1 – 50 of 4,132

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

Created by: Abhishek

Tags logic, numbers

1

Solution

46

Size

1

Solution

46

Size

Problem 60851. Find the closest e-abundant numbers

Created by: ChrisR

Tags number theory, sequence

1

Solution

147

Size

1

Solution

147

Size

Problem 60852. Zero Out Negative Elements

Created by: Shravani

Tags #array-manipulation

1

Solution

14

Size

1

Solution

14

Size

Problem 60850. Matrix Diagonal Sum

Created by: Samantha

Tags arrays, matrix operations

1

Solution

67

Size

1

Solution

67

Size

Problem 60849. Permuted Multiples: Project Euler Problem 52

Created by: Basil Imoberdorf

Tags projecteuler, permu

1

Solution

7

Size

1

Solution

7

Size

Problem 60845. Sum powers of e-divisors

Created by: ChrisR

Tags primes, number theory, sequence

1

Solution

65

Size

1

Solution

65

Size

Problem 60847. Create a fibonacci series

Created by: Anirban Kar Roy

Tags loop, function

1

Solution

38

Size

1

Solution

38

Size

Problem 60846. List e-perfect numbers

Created by: ChrisR

Tags number theory, sequence

1

Solution

85

Size

1

Solution

85

Size

Problem 60844. Count the e-divisors of an integer

Created by: ChrisR

Tags primes, number theory, factorization

1

Solution

120

Size

1

Solution

120

Size

Problem 60843. Determine the e-divisors of an integer

Created by: ChrisR

Tags primes, number theory, factorization

1

Solution

118

Size

1

Solution

118

Size

Problem 60842. Test x = 1

Created by: Nathan

Tags x

1

Solution

8

Size

1

Solution

8

Size

Problem 60841. Count Vowels at Even Indices

Created by: Rahul

Tags string manipulation, array

1

Solution

24

Size

1

Solution

24

Size

Problem 60839. List the notes of a major scale

Created by: ChrisR

Tags music, pattern, scales

2

Solutions

209

Size

2

Solutions

209

Size

Problem 60838. Given length x find the area y of the square

Created by: Michael

Tags math

1

Solution

10

Size

1

Solution

10

Size

Problem 60837. Project Euler Problem 48: Self Powers

Created by: Basil Imoberdorf

Tags math, series, projecteuler

1

Solution

7

Size

1

Solution

7

Size

Problem 60836. Integer Division Without Remainder

Created by: Isaac

Tags integer, division

1

Solution

13

Size

1

Solution

13

Size

Problem 60834. Bell 202 Decoder

Created by: David Hill

Tags afsk, bell202

1

Solution

166

Size

1

Solution

166

Size

Problem 60832. Diagonal of a Golden Rectangle

Created by: Atharva

Tags cody

1

Solution

36

Size

1

Solution

36

Size

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

Created by: ChrisR

Tags ce 5720, streeter-phelps, curve fit

1

Solution

85

Size

1

Solution

85

Size

Problem 60831. "Identify and Replace Outliers in a Numeric Array"

Created by: Parth Gosavi

Tags statistics, array, data-cleaning

1

Solution

36

Size

1

Solution

36

Size

Problem 60826. Identify Similar Rows in a Matrix Based on Sequence of Non-zero Elements

Created by: DNYANESH

Tags matrix

1

Solution

56

Size

1

Solution

56

Size

Problem 60822. Calculate the Number of Moles

Created by: Hrishikesh Patil

Tags chemistry

1

Solution

22

Size

1

Solution

22

Size

Problem 60828. Remove Duplicate Words from a Sentence.

Created by: Shambhavi

Tags data structures

1

Solution

15

Size

1

Solution

15

Size

Problem 60821. Remove Duplicate Words from a Sentence

Created by: Shambhavi

Tags easy, sentence

1

Solution

52

Size

1

Solution

52

Size

Problem 60829. Basic Identity Function

Created by: Yash

Tags identity function

1

Solution

6

Size

1

Solution

6

Size

Problem 60823. Sum of Even Numbers in a Vector

Created by: Yash

Tags vector

1

Solution

17

Size

1

Solution

17

Size

Problem 60819. Sum of Positive Elements in a Matrix

Created by: Yash

Tags matrix

1

Solution

14

Size

1

Solution

14

Size

Problem 2309. Calculate the Damerau-Levenshtein distance between two strings.

Created by: Jan Orwat

Tags strings, string metric, metric space

2

Solutions

153

Size

2

Solutions

153

Size

Problem 60816. Add 2 to any number.

Created by: Eliezer

Tags easy

1

Solution

10

Size

1

Solution

10

Size

Problem 44808. Make an anonymous function that has variable output

Created by: Binbin Qi

Tags anonymous

1

Solution

19

Size

1

Solution

19

Size

Problem 43685. Apply Function to Each Field of a Structure Array: Part 1

Created by: Peng Liu

Tags structure, array, structfun

1

Solution

55

Size

1

Solution

55

Size

Problem 2237. Mmm! Multi-dimensional Matrix Multiplication

Created by: J-G van der Toorn

Tags multiplication, matrix, multi-dimensional

1

Solution

12

Size

1

Solution

12

Size

Problem 110. Make an N-dimensional Multiplication Table

Created by: @bmtran (Bryant Tran)

Tags multiplication, linear algebra

1

Solution

50

Size

1

Solution

50

Size

Problem 879. Perform Rubik's Cube Moves

Created by: Richard Zapor

Tags game theory, cube, rubik

2

Solutions

1191

Size

2

Solutions

1191

Size

Problem 45402. Find an overlap in the cleaning schedule of two tank reactors

Created by: Karl Ezra Pilario

Tags matrices, lcm, chemical engineering

2

Solutions

112

Size

2

Solutions

112

Size

Problem 45395. Create a matrix map of increasing safety levels

Created by: Karl Ezra Pilario

Tags matrix, loops, chemical engineering

1

Solution

75

Size

1

Solution

75

Size

Problem 45397. Assess the scatter of wind turbines in a field

Created by: Karl Ezra Pilario

Tags vectors, grid, chemical engineering

2

Solutions

49

Size

2

Solutions

49

Size

Problem 45415. Find an optimal placement of coolers on a grid

Created by: Karl Ezra Pilario

Tags path, dynamic programming, chemical engineering

1

Solution

135

Size

1

Solution

135

Size

Problem 45396. Design a tubesheet for shell-and-tube heat exchangers

Created by: Karl Ezra Pilario

Tags circle, chemical engineering

1

Solution

44

Size

1

Solution

44

Size

Problem 45394. Count the number of folds needed to pack a large sheet

Created by: Karl Ezra Pilario

Tags max, min, loops

1

Solution

21

Size

1

Solution

21

Size

Problem 45391. Calculate the sphericity of a Raschig ring

Created by: Karl Ezra Pilario

Tags easy, geometry, round

1

Solution

51

Size

1

Solution

51

Size

Problem 45392. Convert a temperature reading from Celsius to an unknown scale

Created by: Karl Ezra Pilario

Tags round, chemical engineering, matrix division

1

Solution

36

Size

1

Solution

36

Size

Problem 2524. weekday and month

Created by: rifat

Tags date, not_a_serious_problem

1

Solution

65

Size

1

Solution

65

Size

Problem 1044. Create a Cell array of month-end date strings within a date range

Created by: Richard Zapor

Tags cell array, datestr

1

Solution

162

Size

1

Solution

162

Size

Problem 2454. birthday on same day of week

Created by: rifat

Tags date, datestr, weekday

1

Solution

70

Size

1

Solution

70

Size

Problem 216. Is this date a palindrome?emordnilap a etad siht sI

Created by: Matt Baran

Tags palindrome, date

1

Solution

64

Size

1

Solution

64

Size

Problem 2639. How Many Months Until It's Today Again?

Created by: Ned Gulley

Tags feature, calendar, r2014b

1

Solution

94

Size

1

Solution

94

Size

Problem 43611. microseconds passed today

Created by: Marc Jakobi

Tags time, datenum, microseconds

1

Solution

38

Size

1

Solution

38

Size

Problem 45207. Calculate days until Christmas

Created by: David Motson

Tags days, christmas

1

Solution

52

Size

1

Solution

52

Size

Problem 2523. longest common substring : Skipped character version

Created by: rifat

Tags substring matching

1

Solution

124

Size

1

Solution

124

Size

1 – 50 of 4,132