John Wirzburger

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101 – 150 of 221

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

Created by: Jan Orwat

Tags number theory, a138591

1

Solution

28

Size

1

Solution

28

Size

Problem 2056. Is this number Munchhausen?

Created by: Ted

Tags math, narcissistic number, munchhausen

1

Solution

29

Size

1

Solution

29

Size

Problem 1925. Smith numbers

Created by: Sky Sartorius

Tags sum, factors

2

Solutions

47

Size

2

Solutions

47

Size

Problem 2733. Evil Number

Created by: Jan Orwat

Tags easy, number theory, oeis

2

Solutions

49

Size

2

Solutions

49

Size

Problem 1997. Compute Fibonacci Number

Created by: Alex

Tags numbers, fibonacci

1

Solution

42

Size

1

Solution

42

Size

Problem 1826. Find vampire numbers

Created by: Andrew Newell

Tags factors, number theory

1

Solution

140

Size

1

Solution

140

Size

Problem 166. Kaprekar numbers

Created by: the cyclist

Tags kaprekar

1

Solution

55

Size

1

Solution

55

Size

Problem 139. Determine if a Given Number is a Triangle Number

Created by: @bmtran (Bryant Tran)

Tags triangle numbers

1

Solution

47

Size

1

Solution

47

Size

Problem 520. Choose the best fitting dominoes

Created by: Doug Hull

Tags contest, poor_test_suite

1

Solution

173

Size

1

Solution

173

Size

Problem 470. Scoring for oriented dominoes

Created by: Doug Hull

Tags contest

2

Solutions

45

Size

2

Solutions

45

Size

Problem 535. Rotate and display numbered tile

Created by: Ned Gulley

Tags strings, contest

2

Solutions

47

Size

2

Solutions

47

Size

Problem 556. Stuff the Board

Created by: Ned Gulley

Tags contest, poor_test_suite

1

Solution

32

Size

1

Solution

32

Size

Problem 80. Test for balanced parentheses

Created by: Cody Team

Tags regexp, parens

1

Solution

66

Size

1

Solution

66

Size

Problem 44. Trimming Spaces

Created by: Cody Team

Tags strings, whitespace

2

Solutions

26

Size

2

Solutions

26

Size

Problem 46. Which doors are open?

Created by: Cody Team

Tags matlab, iteration

1

Solution

45

Size

1

Solution

45

Size

Problem 27. Pangrams!

Created by: Cody Team

Tags strings

1

Solution

23

Size

1

Solution

23

Size

Problem 73. Replace NaNs with the number that appears to its left in the row.

Created by: Cody Team

Tags matlab

1

Solution

52

Size

1

Solution

52

Size

Problem 34. Binary numbers

Created by: Cody Team

Tags matlab

2

Solutions

24

Size

2

Solutions

24

Size

Problem 13. Remove all the consonants

Created by: Cody Team

Tags regexp, basics

3

Solutions

15

Size

3

Solutions

15

Size

Problem 31. Remove all the words that end with "ain"

Created by: Cody Team

Tags matlab 101, regexp, strings

1

Solution

14

Size

1

Solution

14

Size

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

Created by: Cody Team

Tags easy, matrices

1

Solution

28

Size

1

Solution

28

Size

Problem 22. Remove the vowels

Created by: Cody Team

Tags regexp, siam

2

Solutions

15

Size

2

Solutions

15

Size

Problem 2819. Find the 9's Complement

Created by: Pritesh Shah

Tags matlab

2

Solutions

28

Size

2

Solutions

28

Size

Problem 43571. How many hours are there in a day in Italy?

Created by: Marco Tullio

Tags fun

2

Solutions

55

Size

2

Solutions

55

Size

Problem 43592. Sample from random roulette

Created by: Jakub Rysanek

Tags random

2

Solutions

44

Size

2

Solutions

44

Size

Problem 42818. center of mass

Created by: Thomas Bischoff

Tags matlab 101, matrix

1

Solution

50

Size

1

Solution

50

Size

Problem 43615. pizza deals

Created by: Marc Jakobi

Tags deal, comparison, pizza

4

Solutions

73

Size

4

Solutions

73

Size

Problem 2412. Is My Wife Wrong?

Created by: Lee

Tags binary

1

Solution

11

Size

1

Solution

11

Size

Problem 813. Multiply 2 numbers

Created by: Aurelien Queffurust

Tags multiplication, product

6

Solutions

33

Size

6

Solutions

33

Size

Problem 1924. Create a two dimensional zero matrix

Created by: !ntel

Tags basics, two dimensional, create a matrix

1

Solution

15

Size

1

Solution

15

Size

Problem 2784. Y=X

Created by: Matthew Brown

Tags intro, easy, spam

1

Solution

10

Size

1

Solution

10

Size

Problem 1838. Min of a Matrix

Created by: Kyle

Tags matlab 101, basics, min

1

Solution

14

Size

1

Solution

14

Size

Problem 2690. Armstrong Number

Created by: VIVEK RUHELA

Tags arithmetic, basic matlab

1

Solution

25

Size

1

Solution

25

Size

Problem 2061. Narcissistic number ?

Created by: Jean-Marie Sainthillier

Tags narcissistic

1

Solution

25

Size

1

Solution

25

Size

Problem 156. Parasitic numbers

Created by: the cyclist

Tags parasitic

1

Solution

36

Size

1

Solution

36

Size

Problem 43218. A shooting competition

Created by: Massimo Zanetti

Tags probability ex

1

Solution

20

Size

1

Solution

20

Size

Problem 859. Get the elements of diagonal and antidiagonal for any m-by-n matrix

Created by: Aurelien Queffurust

Tags diagonal, diag, anti-diagonal

1

Solution

52

Size

1

Solution

52

Size

Problem 652. Put two time series onto the same time basis

Created by: Ned Gulley

Tags interpolation, time series

1

Solution

74

Size

1

Solution

74

Size

Problem 924. intersection of matrices

Created by: Richard

Tags matrix, poor_problem_statement

2

Solutions

17

Size

2

Solutions

17

Size

Problem 856. Getting the indices from a matrix

Created by: Jean-Marie Sainthillier

Tags logical indexing

1

Solution

23

Size

1

Solution

23

Size

Problem 555. "Low : High - Low : High - Turn around " -- Create a subindices vector

Created by: Freddy

Tags indexing, colon operator, basic matlab

1

Solution

33

Size

1

Solution

33

Size

Problem 963. We love vectorized solutions. Problem 1 : remove the row average.

Created by: William Smith

Tags speed, vectorized, subtraction

1

Solution

22

Size

1

Solution

22

Size

Problem 830. Fill a zeros matrix

Created by: Aurelien Queffurust

Tags logical operations

2

Solutions

45

Size

2

Solutions

45

Size

Problem 690. Remove the two elements next to NaN value

Created by: Aurelien Queffurust

Tags nan, meshgrid, binary operation

1

Solution

38

Size

1

Solution

38

Size

Problem 676. Reindex a vector

Created by: James

Tags handling vectors, indices

1

Solution

24

Size

1

Solution

24

Size

Problem 367. Specific Element Count

Created by: @bmtran (Bryant Tran)

Tags counting, sum, occurrences

1

Solution

29

Size

1

Solution

29

Size

Problem 307. First non-zero element in each column

Created by: Julio

Tags matrix, poor_test_suite

1

Solution

30

Size

1

Solution

30

Size

Problem 895. Generate N equally spaced intervals between -L and L

Created by: @bmtran (Bryant Tran)

Tags math, wrong_test_suite

2

Solutions

21

Size

2

Solutions

21

Size

Problem 584. middleAsColumn: Return all but first and last element as a column vector

Created by: Nicholas Howe

Tags matlab 101, basics

2

Solutions

22

Size

2

Solutions

22

Size

Problem 532. Return unique values without sorting

Created by: Aurelien Queffurust

Tags unique, sorted

1

Solution

13

Size

1

Solution

13

Size

101 – 150 of 221